[Header] Format=SMU ver=3 appl=GUMWB32 MR=0 FUEB=0 [Title] Title='Spectrophotometric determination of nitrite ion' Description=57 Description[0]='SCOPE AND FIELD OF APPLIATION: The present method is used for the determination' Description[1]='of nitrite ion in seawaters, surface water and in waste waters. The' Description[2]='determination is carried out without previous treatment of the sample (i.e.' Description[3]='filtration or conservation). Nitrite concentrations from 0,002 to 0,6 N/l can' Description[4]='be measured.' Description[5]='' Description[6]='PRINCIPLE: The method is based on the reaction of nitrite ions with' Description[7]='sulfanylamide in acidic medium and the diazo compound obtained further reacts' Description[8]='with diamine yielding in an azo color. The nitrite ion concentration is' Description[9]='determined by measuring the absorbance of the azo color at 540-545 nm.' Description[10]='' Description[11]='The values of uncertainty components of volumetric ware and spectrophotometric' Description[12]='equipment are taken according to our experience, experiments carried out in our' Description[13]='lab and data from equipment manufactures. The users of these examples are' Description[14]='advised to use these data only as the first approximation and to substitute' Description[15]='these uncertainty estimates by their own data that corresponds to the actual' Description[16]='situation in their labs.' Description[17]='' Description[18]='***Preparation of nitrite ion stock solution***' Description[19]='' Description[20]='54.3 mg of sodium nitrite (mNaNO2) was weighed, dissolved in distilled water' Description[21]='and then transferred to a 100 ml volumetric flask (V_100\us\1) and made up to' Description[22]='to the mark with distilled water.' Description[23]='' Description[24]='***Preparation of nitrite ion stnadard solution****' Description[25]='' Description[26]='10 ml of nitrite ion stock solution (V_10) was transferred to a 100 ml' Description[27]='volumetric flask (V_100\us\2) and made up to the mark with distilled water.' Description[28]='' Description[29]='***Preparation of calibration standard solutions***' Description[30]='' Description[31]='First a series of calibration standard solution containing 0.2, 0.7, 1.0, 1.2,' Description[32]='1.4, 1.6 ml of nitrite ion standard solution (V_1\us\st, V_2\us\st, V_3\us\st,' Description[33]='V_4\us\st, V_5\us\st, V_6\us\st) were prepared in 50 ml volumetric flasks' Description[34]='(V_50\us\1, V_50\us\2, V_50\us\3, V_50\us\4, V_50\us\5, V_50\us\6). The flasks' Description[35]='were then made up to the mark with distilled water. Then 25 ml of each solution' Description[36]='(V_25\us\1, V_25\us\2, V_25\us\3, V_25\us\4, V_25\us\5, V_25\us\6) is measured' Description[37]='with graduated cylinder. 0.5 ml of sulphanylamide (V_sul\us\1, V_sul\us\2,' Description[38]='V_sul\us\3, V_sul\us\4, V_sul\us\5, V_sul\us\6) is added to each graduated' Description[39]='cylinder and after the solutions have been left to stand for 3 minutes, 0.5 ml' Description[40]='of diamine (V_diam\us\1, V_diam\us\2, V_diam\us\3, V_diam\us\4, V_diam\us\5,' Description[41]='V_diam\us\6) is added to each graduated cylinder. The absorbances of these' Description[42]='solutions are then measured spectophotometrically using cells with 5 mm optical' Description[43]='path length.' Description[44]='' Description[45]='***Preparation of the sample***' Description[46]='' Description[47]='25 ml of sample are measured with a graduated cylinder (V_25), then 0.5 ml of' Description[48]='sulphanylamide (V_sul) is added and the solution is allowed to stand for 3' Description[49]='minutes. After that 0.5 ml of diamine (V_diam) is added additionally. The' Description[50]='absorbance of the sample solution is then measured spectophotometrically using' Description[51]='cells with 5 mm optical path length.' Description[52]='' Description[53]='This example corresponds to "normal" samples that are neither very problematic' Description[54]='nor too easy. For problematic samples the uncertainty may be significantly' Description[55]='(several times!) higher! Please seet the paper L.Sooväli, E.-I. Rõõm, A. Kütt,' Description[56]='I. Kaljurand, I. Leito. Accred. Qual.Assur. 2006.' [Model] Model=145 Model[0]='{The main equation}' Model[1]='' Model[2]='C_NO3=((A_sample-b_0)*(V_25+V_sul+V_diam)*1000)/(b_1*26);' Model[3]='' Model[4]='{For the determination 25 ml of sample is measured with a graduated cylinder, 0.5 ml of sulphanylamide is added. The solution is left to stand' Model[5]='for 3 minutes and then 0.5 ml of diamine is added. The absorbance of the sample solution is measured spectrophotometrically at 540.10 nm' Model[6]='using cells with 5 mm path length.}' Model[7]='' Model[8]='V_25=V_25\us\cal+V_25\us\rep+V_25\us\tem;' Model[9]='V_25\us\tem=V_25\us\cal*\Delta\t*y;' Model[10]='' Model[11]='V_sul=V_sul\us\cal+V_sul\us\rep+V_sul\us\tem;' Model[12]='V_diam=V_diam\us\cal+V_diam\us\rep+V_diam\us\tem;' Model[13]='' Model[14]='{The regression eqations for finding the slope (b_1) and intercept (b_0) of the calibration line}' Model[15]='' Model[16]='\Sigma\CA=C_1*A_1+C_2*A_2+C_3*A_3+C_4*A_4+C_5*A_5+C_6*A_6;' Model[17]='AvgC=(C_1+C_2+C_3+C_4+C_5+C_6)/n;' Model[18]='AvgA=(A_1+A_2+A_3+A_4+A_5+A_6)/n;' Model[19]='\Sigma\CC=C_1*C_1+C_2*C_2+C_3*C_3+C_4*C_4+C_5*C_5+C_6*C_6;' Model[20]='b_1=(\Sigma\CA-n*AvgC*AvgA)/(\Sigma\CC-n*AvgC*AvgC);' Model[21]='b_0=AvgA-b_1*AvgC;' Model[22]='' Model[23]='{Uncertainties of absorbances' Model[24]='It is assumed that the sample absorbance has 6 uncertainty components:' Model[25]='- repeatability uncertainty (included in A_sample\us\rep)' Model[26]='- uncertainty due to drift (A_sample\us\drift) (mostly chemical drift is important in this particular case);' Model[27]='- uncertainty due to calibration graph nonlinearity (A_sample\us\nonlin)' Model[28]='- uncertainty due to calibration graph nonlinearity (A_sample\us\interf)' Model[29]='- uncertainty due to calibration graph nonlinearity (A_sample\us\mismatch)' Model[30]='- uncertainty due to rounding of the reading (A_sample\us\round) (The photometer used in this example has three decimal places' Model[31]='Some of these components may introduce zero uncertainty. Their quantification is described in the "List of quantities" section.' Model[32]='The absorbance of blank is not subtracted but all the measurements are made against blank}' Model[33]='' Model[34]='A_sample = A_sample\us\rep + A_sample\us\drift + A_sample\us\nonlin + A_sample\us\interf + A_sample\us\mismatch + A_sample\us\round;' Model[35]='' Model[36]='{Absorbances of calibration standard solutions}' Model[37]='' Model[38]='A_1=A_1rep+A_1drift+A_1round;' Model[39]='A_2=A_2rep+A_2drift+A_2round;' Model[40]='A_3=A_3rep+A_3drift+A_3round;' Model[41]='A_4=A_4rep+A_4drift+A_4round;' Model[42]='A_5=A_5rep+A_5drift+A_5round;' Model[43]='A_6=A_6rep+A_6drift+A_6round;' Model[44]='' Model[45]='{Preparation of calibation standard solutions in 25 ml graduated cylinders. 0.2 to 1.6 ml of the nitrite standard solution is transferred to 50 ml volumetric' Model[46]='flasks and filled up to the mark. Then 25 ml of each solution are measured with a graduated cylinder and 0.5 ml of sulphanylamide are ' Model[47]='added to each graduated cylinder. After 3 minutes 0.5 ml of diamine solution is added to the cylinders. The absorbances of the solutions are ' Model[48]='measured at 540.10 nm using cells with optical pathlength 5 cm.}' Model[49]='' Model[50]='C_1=(V_1\us\st*C_standard*(V_25\us\1+V_sul\us\1+V_diam\us\1))/(V_50\us\1*26);' Model[51]='C_2=(V_2\us\st*C_standard*(V_25\us\2+V_sul\us\2+V_diam\us\2))/(V_50\us\2*26);' Model[52]='C_3=(V_3\us\st*C_standard*(V_25\us\3+V_sul\us\3+V_diam\us\3))/(V_50\us\3*26);' Model[53]='C_4=(V_4\us\st*C_standard*(V_25\us\4+V_sul\us\4+V_diam\us\4))/(V_50\us\4*26);' Model[54]='C_5=(V_5\us\st*C_standard*(V_25\us\5+V_sul\us\5+V_diam\us\5))/(V_50\us\5*26);' Model[55]='C_6=(V_6\us\st*C_standard*(V_25\us\6+V_sul\us\6+V_diam\us\6))/(V_50\us\6*26);' Model[56]='' Model[57]='{Uncertainties of the volumes graduated cylinders used for the preparation of calibration standard solutions}' Model[58]='' Model[59]='V_25\us\1=V_1\us\25\us\cal+V_1\us\25\us\rep+V_25\us\1\us\tem;' Model[60]='V_25\us\2=V_2\us\25\us\cal+V_2\us\25\us\rep+V_25\us\2\us\tem;' Model[61]='V_25\us\3=V_3\us\25\us\cal+V_3\us\25\us\rep+V_25\us\3\us\tem;' Model[62]='V_25\us\4=V_4\us\25\us\cal+V_4\us\25\us\rep+V_25\us\4\us\tem;' Model[63]='V_25\us\5=V_5\us\25\us\cal+V_5\us\25\us\rep+V_25\us\5\us\tem;' Model[64]='V_25\us\6=V_6\us\25\us\cal+V_6\us\25\us\rep+V_25\us\6\us\tem;' Model[65]='' Model[66]='V_25\us\1\us\tem=V_1\us\25\us\cal*\Delta\t*y;' Model[67]='V_25\us\2\us\tem=V_2\us\25\us\cal*\Delta\t*y;' Model[68]='V_25\us\3\us\tem=V_3\us\25\us\cal*\Delta\t*y;' Model[69]='V_25\us\4\us\tem=V_4\us\25\us\cal*\Delta\t*y;' Model[70]='V_25\us\5\us\tem=V_5\us\25\us\cal*\Delta\t*y;' Model[71]='V_25\us\6\us\tem=V_6\us\25\us\cal*\Delta\t*y;' Model[72]='' Model[73]='{Uncertainties of the volumes of pipettes used for transferring 0.5 ml of sulphanylamide solution to calibration standard solutions}' Model[74]='' Model[75]='V_sul\us\1=V_sul\us\1\us\cal+V_sul\us\1\us\rep+V_sul\us\1\us\tem;' Model[76]='V_sul\us\2=V_sul\us\2\us\cal+V_sul\us\2\us\rep+V_sul\us\2\us\tem;' Model[77]='V_sul\us\3=V_sul\us\3\us\cal+V_sul\us\3\us\rep+V_sul\us\3\us\tem;' Model[78]='V_sul\us\4=V_sul\us\4\us\cal+V_sul\us\4\us\rep+V_sul\us\4\us\tem;' Model[79]='V_sul\us\5=V_sul\us\5\us\cal+V_sul\us\5\us\rep+V_sul\us\5\us\tem;' Model[80]='V_sul\us\6=V_sul\us\6\us\cal+V_sul\us\6\us\rep+V_sul\us\6\us\tem;' Model[81]='' Model[82]='{Uncertainties of the volumes of pipettes used for transferring 0.5 ml of diamine solution to calibration standard solutions}' Model[83]='' Model[84]='V_diam\us\1=V_diam\us\1\us\cal+V_diam\us\1\us\rep+V_diam\us\1\us\tem;' Model[85]='V_diam\us\2=V_diam\us\2\us\cal+V_diam\us\2\us\rep+V_diam\us\2\us\tem;' Model[86]='V_diam\us\3=V_diam\us\3\us\cal+V_diam\us\3\us\rep+V_diam\us\3\us\tem;' Model[87]='V_diam\us\4=V_diam\us\4\us\cal+V_diam\us\4\us\rep+V_diam\us\4\us\tem;' Model[88]='V_diam\us\5=V_diam\us\5\us\cal+V_diam\us\5\us\rep+V_diam\us\5\us\tem;' Model[89]='V_diam\us\6=V_diam\us\6\us\cal+V_diam\us\6\us\rep+V_diam\us\6\us\tem;' Model[90]='' Model[91]='' Model[92]='{Uncertainties of the volumes of nitrite standard solution transferred to 50 ml volumetric flasks}' Model[93]='' Model[94]='V_1\us\st=V_1\us\st\us\cal+V_1\us\st\us\rep+V_1\us\st\us\tem;' Model[95]='V_2\us\st=V_2\us\st\us\cal+V_2\us\st\us\rep+V_2\us\st\us\tem;' Model[96]='V_3\us\st=V_3\us\st\us\cal+V_3\us\st\us\rep+V_3\us\st\us\tem;' Model[97]='V_4\us\st=V_4\us\st\us\cal+V_4\us\st\us\rep+V_4\us\st\us\tem;' Model[98]='V_5\us\st=V_5\us\st\us\cal+V_5\us\st\us\rep+V_5\us\st\us\tem;' Model[99]='V_6\us\st=V_6\us\st\us\cal+V_6\us\st\us\rep+V_6\us\st\us\tem;' Model[100]='' Model[101]='' Model[102]='{Uncertainties of the volumes of 50 ml volumetric flasks}' Model[103]='' Model[104]='V_50\us\1=V_50\us\1\us\cal+V_50\us\1\us\rep+V_50\us\1\us\tem;' Model[105]='V_50\us\2=V_50\us\2\us\cal+V_50\us\2\us\rep+V_50\us\2\us\tem;' Model[106]='V_50\us\3=V_50\us\3\us\cal+V_50\us\3\us\rep+V_50\us\3\us\tem;' Model[107]='V_50\us\4=V_50\us\4\us\cal+V_50\us\4\us\rep+V_50\us\4\us\tem;' Model[108]='V_50\us\5=V_50\us\5\us\cal+V_50\us\5\us\rep+V_50\us\5\us\tem;' Model[109]='V_50\us\6=V_50\us\6\us\cal+V_50\us\6\us\rep+V_50\us\6\us\tem;' Model[110]='' Model[111]='{Temperature uncertainty components of the 50 ml volumetric flasks where the calibration standard solutions were made}' Model[112]='' Model[113]='V_50\us\1\us\tem=V_50\us\1\us\cal*\Delta\t*y;' Model[114]='V_50\us\2\us\tem=V_50\us\2\us\cal*\Delta\t*y;' Model[115]='V_50\us\3\us\tem=V_50\us\3\us\cal*\Delta\t*y;' Model[116]='V_50\us\4\us\tem=V_50\us\4\us\cal*\Delta\t*y;' Model[117]='V_50\us\5\us\tem=V_50\us\5\us\cal*\Delta\t*y;' Model[118]='V_50\us\6\us\tem=V_50\us\6\us\cal*\Delta\t*y;' Model[119]='' Model[120]='' Model[121]='{Nitrite ion stock solution. Prepared from sodium nitrite.}' Model[122]='' Model[123]='C_stock=(m_NaNO2*M_N)/(M_NaNO2* V_100\us\1);' Model[124]='' Model[125]='{Uncertainty of weighing' Model[126]='It is assumed that weighing has 3 uncertainty components (on the example of m_NaNO2):' Model[127]='- repeatability of weighing (included in m_NaNO2\us\rep)' Model[128]='- drift of the balance (m_NaNO2\us\drift)' Model[129]='- uncertainty due to rounding of the reading (m_NaNO2\us\round)}' Model[130]='' Model[131]='m_NaNO2=m_NaNO2\us\rep+m_NaNO2\us\drift+m_NaNO2\us\round;' Model[132]='' Model[133]='V_100\us\1=V_100\us\1\us\cal+V_100\us\1\us\rep+V_100\us\1\us\tem;' Model[134]='V_100\us\1\us\tem=V_100\us\1\us\cal*\Delta\t*y;' Model[135]='' Model[136]='{Nitrite ion standard solution. Prepared from nitrite ion stock solution. The standard solution is further used for the preparation of the calibration standard solutions}' Model[137]='' Model[138]='C_standard=(C_stock*V_10)/(V_100\us\2);' Model[139]='' Model[140]='V_100\us\2=V_100\us\2\us\cal+V_100\us\2\us\rep+V_100\us\2\us\tem;' CE=1 CTC=1 Model[141]='V_100\us\2\us\tem=V_100\us\2\us\cal*\Delta\t*y;' Model[142]='' Model[143]='V_10=V_10\us\cal+V_10\us\rep+V_10\us\tem;' Model[144]='' [Components] CompOrder=3 Comp=199 Comp[0]=C_NO3_ Comp[1]=A_sample_ Comp[2]=b_0_ Comp[3]=V_25_ Comp[4]=V_sul_ Comp[5]=V_diam_ Comp[6]=b_1_ Comp[7]=V_25\us\cal_ Comp[8]=V_25\us\rep_ Comp[9]=V_25\us\tem_ Comp[10]=\Delta\t Comp[11]=y Comp[12]=V_sul\us\cal_ Comp[13]=V_sul\us\rep_ Comp[14]=V_sul\us\tem_ Comp[15]=V_diam\us\cal_ Comp[16]=V_diam\us\rep_ Comp[17]=V_diam\us\tem_ Comp[18]=\Sigma\CA Comp[19]=C_1_ Comp[20]=A_1_ Comp[21]=C_2_ Comp[22]=A_2_ Comp[23]=C_3_ Comp[24]=A_3_ Comp[25]=C_4_ Comp[26]=A_4_ Comp[27]=C_5_ Comp[28]=A_5_ Comp[29]=C_6_ Comp[30]=A_6_ Comp[31]=AvgC Comp[32]=n Comp[33]=AvgA Comp[34]=\Sigma\CC Comp[35]=A_sample\us\rep_ Comp[36]=A_sample\us\drift_ Comp[37]=A_sample\us\nonlin_ Comp[38]=A_sample\us\interf_ Comp[39]=A_sample\us\mismatch_ Comp[40]=A_sample\us\round_ Comp[41]=A_1rep_ Comp[42]=A_1drift_ Comp[43]=A_1round_ Comp[44]=A_2rep_ Comp[45]=A_2drift_ Comp[46]=A_2round_ Comp[47]=A_3rep_ Comp[48]=A_3drift_ Comp[49]=A_3round_ Comp[50]=A_4rep_ Comp[51]=A_4drift_ Comp[52]=A_4round_ Comp[53]=A_5rep_ Comp[54]=A_5drift_ Comp[55]=A_5round_ Comp[56]=A_6rep_ Comp[57]=A_6drift_ Comp[58]=A_6round_ Comp[59]=V_1\us\st_ Comp[60]=C_standard_ Comp[61]=V_25\us\1_ Comp[62]=V_sul\us\1_ Comp[63]=V_diam\us\1_ Comp[64]=V_50\us\1_ Comp[65]=V_2\us\st_ Comp[66]=V_25\us\2_ Comp[67]=V_sul\us\2_ Comp[68]=V_diam\us\2_ Comp[69]=V_50\us\2_ Comp[70]=V_3\us\st_ Comp[71]=V_25\us\3_ Comp[72]=V_sul\us\3_ Comp[73]=V_diam\us\3_ Comp[74]=V_50\us\3_ Comp[75]=V_4\us\st_ Comp[76]=V_25\us\4_ Comp[77]=V_sul\us\4_ Comp[78]=V_diam\us\4_ Comp[79]=V_50\us\4_ Comp[80]=V_5\us\st_ Comp[81]=V_25\us\5_ Comp[82]=V_sul\us\5_ Comp[83]=V_diam\us\5_ Comp[84]=V_50\us\5_ Comp[85]=V_6\us\st_ Comp[86]=V_25\us\6_ Comp[87]=V_sul\us\6_ Comp[88]=V_diam\us\6_ Comp[89]=V_50\us\6_ Comp[90]=V_1\us\25\us\cal_ Comp[91]=V_1\us\25\us\rep_ Comp[92]=V_25\us\1\us\tem_ Comp[93]=V_2\us\25\us\cal_ Comp[94]=V_2\us\25\us\rep_ Comp[95]=V_25\us\2\us\tem_ Comp[96]=V_3\us\25\us\cal_ Comp[97]=V_3\us\25\us\rep_ Comp[98]=V_25\us\3\us\tem_ Comp[99]=V_4\us\25\us\cal_ Comp[100]=V_4\us\25\us\rep_ Comp[101]=V_25\us\4\us\tem_ Comp[102]=V_5\us\25\us\cal_ Comp[103]=V_5\us\25\us\rep_ Comp[104]=V_25\us\5\us\tem_ Comp[105]=V_6\us\25\us\cal_ Comp[106]=V_6\us\25\us\rep_ Comp[107]=V_25\us\6\us\tem_ Comp[108]=V_sul\us\1\us\cal_ Comp[109]=V_sul\us\1\us\rep_ Comp[110]=V_sul\us\1\us\tem_ Comp[111]=V_sul\us\2\us\cal_ Comp[112]=V_sul\us\2\us\rep_ Comp[113]=V_sul\us\2\us\tem_ Comp[114]=V_sul\us\3\us\cal_ Comp[115]=V_sul\us\3\us\rep_ Comp[116]=V_sul\us\3\us\tem_ Comp[117]=V_sul\us\4\us\cal_ Comp[118]=V_sul\us\4\us\rep_ Comp[119]=V_sul\us\4\us\tem_ Comp[120]=V_sul\us\5\us\cal_ Comp[121]=V_sul\us\5\us\rep_ Comp[122]=V_sul\us\5\us\tem_ Comp[123]=V_sul\us\6\us\cal_ Comp[124]=V_sul\us\6\us\rep_ Comp[125]=V_sul\us\6\us\tem_ Comp[126]=V_diam\us\1\us\cal_ Comp[127]=V_diam\us\1\us\rep_ Comp[128]=V_diam\us\1\us\tem_ Comp[129]=V_diam\us\2\us\cal_ Comp[130]=V_diam\us\2\us\rep_ Comp[131]=V_diam\us\2\us\tem_ Comp[132]=V_diam\us\3\us\cal_ Comp[133]=V_diam\us\3\us\rep_ Comp[134]=V_diam\us\3\us\tem_ Comp[135]=V_diam\us\4\us\cal_ Comp[136]=V_diam\us\4\us\rep_ Comp[137]=V_diam\us\4\us\tem_ Comp[138]=V_diam\us\5\us\cal_ Comp[139]=V_diam\us\5\us\rep_ Comp[140]=V_diam\us\5\us\tem_ Comp[141]=V_diam\us\6\us\cal_ Comp[142]=V_diam\us\6\us\rep_ Comp[143]=V_diam\us\6\us\tem_ Comp[144]=V_1\us\st\us\cal_ Comp[145]=V_1\us\st\us\rep_ Comp[146]=V_1\us\st\us\tem_ Comp[147]=V_2\us\st\us\cal_ Comp[148]=V_2\us\st\us\rep_ Comp[149]=V_2\us\st\us\tem_ Comp[150]=V_3\us\st\us\cal_ Comp[151]=V_3\us\st\us\rep_ Comp[152]=V_3\us\st\us\tem_ Comp[153]=V_4\us\st\us\cal_ Comp[154]=V_4\us\st\us\rep_ Comp[155]=V_4\us\st\us\tem_ Comp[156]=V_5\us\st\us\cal_ Comp[157]=V_5\us\st\us\rep_ Comp[158]=V_5\us\st\us\tem_ Comp[159]=V_6\us\st\us\cal_ Comp[160]=V_6\us\st\us\rep_ Comp[161]=V_6\us\st\us\tem_ Comp[162]=V_50\us\1\us\cal_ Comp[163]=V_50\us\1\us\rep_ Comp[164]=V_50\us\1\us\tem_ Comp[165]=V_50\us\2\us\cal_ Comp[166]=V_50\us\2\us\rep_ Comp[167]=V_50\us\2\us\tem_ Comp[168]=V_50\us\3\us\cal_ Comp[169]=V_50\us\3\us\rep_ Comp[170]=V_50\us\3\us\tem_ Comp[171]=V_50\us\4\us\cal_ Comp[172]=V_50\us\4\us\rep_ Comp[173]=V_50\us\4\us\tem_ Comp[174]=V_50\us\5\us\cal_ Comp[175]=V_50\us\5\us\rep_ Comp[176]=V_50\us\5\us\tem_ Comp[177]=V_50\us\6\us\cal_ Comp[178]=V_50\us\6\us\rep_ Comp[179]=V_50\us\6\us\tem_ Comp[180]=C_stock_ Comp[181]=m_NaNO2_ Comp[182]=M_N_ Comp[183]=M_NaNO2_ Comp[184]=V_100\us\1_ Comp[185]=m_NaNO2\us\rep_ Comp[186]=m_NaNO2\us\drift_ Comp[187]=m_NaNO2\us\round_ Comp[188]=V_100\us\1\us\cal_ Comp[189]=V_100\us\1\us\rep_ Comp[190]=V_100\us\1\us\tem_ Comp[191]=V_10_ Comp[192]=V_100\us\2_ Comp[193]=V_100\us\2\us\cal_ Comp[194]=V_100\us\2\us\rep_ Comp[195]=V_100\us\2\us\tem_ Comp[196]=V_10\us\cal_ Comp[197]=V_10\us\rep_ Comp[198]=V_10\us\tem_ [COMP 0] Type=Result Definition='Concentration of nitrite in the sample solution' Unit='mg/l' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.284754234097977 Ustd=0.0105387249967257 Neff=357 HB=1 HC=0 HR=1 IO=0 [COMP 1] Type=Temp Definition='Absorbance of the sample solution' Unit='AU' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.99569 Ustd=0.0327344942719657 Neff=231 HB=0 HC=0 HR=0 IO=0 [COMP 2] Type=Temp Definition='Intercept of calibration line' Unit='AU' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.00600707632600259 Ustd=0.00968564902029048 Neff=421 HB=0 HC=0 HR=0 IO=0 [COMP 3] Type=Temp Definition='Volume of the sample graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=25 Ustd=0.290998854522373 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 4] Type=Temp Definition='Volume of the sulphanylamide solution added to the sample' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.5 Ustd=0.00511321395992775 Neff=59 HB=0 HC=0 HR=0 IO=0 [COMP 5] Type=Temp Definition='Volume of the diamine solution added to the sample' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.5 Ustd=0.00511321395992775 Neff=59 HB=0 HC=0 HR=0 IO=0 [COMP 6] Type=Temp Definition='Slope of calibration line' Unit='AU/(mg/ml)' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=3475.56877181841 Ustd=64.5655776768068 Neff=332 HB=0 HC=0 HR=0 IO=0 [COMP 7] Type=TypBRectang Definition='Calibration uncertainty of the sample graduated cylinder' Unit='ml' Description=0 Vnom=25,0 Hlim=0,5 [COMP 8] Type=TypBRectang Definition='Uncertainty of measuring 25 ml of sample with the graduated cylinder' Unit='ml' Description=1 Description[0]='This uncertainty correspond more or less to the value ±2 drop' Vnom=0 Hlim=0,06 [COMP 9] Type=Temp Definition='Temperature uncertainty of the volume of sample graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd=0.0121243556529821 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 10] Type=TypBRectang Definition='Difference of the actual laboratory temperature from 20 degrees centigrade' Unit='ºC' Description=0 Vnom=0 Hlim=4 [COMP 11] Type=TypBRectang Definition='The coefficient of volume expansion of water' Unit='1/ºC' Description=0 Vnom=0.00021 Hlim=0 [COMP 12] Type=TypBNormal Definition='Calibration uncertainty of the pipette with which 0.5 ml of sulphanylamide solution was added' Unit='ml' Description=0 Vnom=0,5 Uexp=0,001541 Fcov=1 [COMP 13] Type=TypBNormal Definition='Repeatability uncertainty of the pipette with which 0.5 ml of sulphanylamide solution was added' Unit='ml' Description=2 Description[0]='Estimate of uncertainty due to repeatability of the volume of the' Description[1]='sulphanylamide solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,004874 Fcov=1 [COMP 14] Type=TypBNormal Definition='Temperature uncertainty of the pipette with which 0.5 ml of sulphanylamide solution was added' Unit='ml' Description=0 Vnom=0 Uexp=0,00012 Fcov=1 [COMP 15] Type=TypBNormal Definition='Calibration uncertainty of the pipette with which 0.5 ml of diamine solution was added' Unit='ml' Description=0 Vnom=0,5 Uexp=0,001541 Fcov=1 [COMP 16] Type=TypBNormal Definition='Repeatability uncertainty of the pipette with which 0.5 ml of diamine solution was added' Unit='ml' Description=2 Description[0]='Estimate of uncertainty due to repeatability of the volume of diamine solution' Description[1]='is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,004874 Fcov=1 [COMP 17] Type=TypBNormal Definition='Temperature uncertainty of the pipette with which 0.5 ml of diamine solution was added' Unit='ml' Description=0 Vnom=0 Uexp=0,00012 Fcov=1 [COMP 18] Type=Temp Definition='Interim quantity for regression analysis' Unit='AU*mg/l' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.00127201070956522 Ustd=1.53526859473156E-5 Neff=273 HB=0 HC=0 HR=0 IO=0 [COMP 19] Type=Temp Definition='Concentration of the 1. nitrite calibration standard solution' Unit='mg/ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=4.40695652173913E-5 Ustd=1.27689244332891E-6 Neff=98 HB=0 HC=0 HR=0 IO=0 [COMP 20] Type=Temp Definition='Absorbance of the 1. nitrite calibration standard solution ' Unit='AU' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.15621 Ustd=0.00158292830705658 Neff=58 HB=1 HC=0 HR=1 IO=0 [COMP 21] Type=Temp Definition='Concentration of the 2. nitrite calibration standard solution ' Unit='mg/ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.00015424347826087 Ustd=2.38580926586228E-6 Neff=538 HB=0 HC=0 HR=0 IO=0 [COMP 22] Type=Temp Definition='Absorbance of the 2. nitrite calibration standard solution' Unit='AU' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.55078 Ustd=0.00764221133216322 Neff=50 HB=1 HC=0 HR=1 IO=0 [COMP 23] Type=Temp Definition='Concentration of the 3. nitrite calibration standard solution' Unit='mg/ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.000220347826086957 Ustd=3.20862404567503E-6 Neff=639 HB=0 HC=0 HR=0 IO=0 [COMP 24] Type=Temp Definition='Absorbance of the 3. nitrite calibration standard solution' Unit='AU' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.76408 Ustd=0.0109449671364068 Neff=50 HB=1 HC=0 HR=1 IO=0 [COMP 25] Type=Temp Definition='Concentration of the 4. nitrite calibration standard solution' Unit='mg/ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.000264417391304348 Ustd=3.78282559772057E-6 Neff=646 HB=0 HC=0 HR=0 IO=0 [COMP 26] Type=Temp Definition='Absorbance of the 4. nitrite calibration standard solution' Unit='AU' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.92726 Ustd=0.0134731494231347 Neff=50 HB=1 HC=0 HR=1 IO=0 [COMP 27] Type=Temp Definition='Concentration of the 5. nitrite calibrtion standard solution' Unit='mg/ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.000308486956521739 Ustd=4.35926718553405E-6 Neff=642 HB=0 HC=0 HR=0 IO=0 [COMP 28] Type=Temp Definition='Absorbance of the 5. nitrite calibration standard solution' Unit='AU' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=1.0786 Ustd=0.0158184493665972 Neff=50 HB=1 HC=0 HR=1 IO=0 [COMP 29] Type=Temp Definition='Concentration of the 6. nitrite calibration standard solution' Unit='mg/ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.00035255652173913 Ustd=4.94153003800771E-6 Neff=635 HB=0 HC=0 HR=0 IO=0 [COMP 30] Type=Temp Definition='Absorbance of the 6. nitrite calibration standard solution' Unit='AU' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=1.2307 Ustd=0.0181759204119324 Neff=50 HB=1 HC=0 HR=1 IO=0 [COMP 31] Type=Temp Definition='Interim quantity for regression statistics calculation' Unit='mg/ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.000224020289855072 Ustd=2.10811201727173E-6 Neff=132 HB=0 HC=0 HR=0 IO=0 [COMP 32] Type=TypBRectang Definition='Number of points on the calibration line' Unit='unitless' Description=0 Vnom=6 Hlim=0 [COMP 33] Type=Temp Definition='Interim quantity for regression statistics calculation' Unit='AU' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.784605 Ustd=0.00511754753614779 Neff=199 HB=0 HC=0 HR=0 IO=0 [COMP 34] Type=Temp Definition='Interim quantity for regression statistics calculation' Unit='mg²/l²' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=3.63663201814745E-7 Ustd=7.02678093429284E-9 Neff=147 HB=0 HC=0 HR=0 IO=0 [COMP 35] Type=TypASum Definition='Value and repeatability uncertainty component of the absorbance of the sample solution' Unit='AU' Description=1 Vnom=0.99569 Uexp=0,014533195 Fcov=1 Description[0]='determined experimentally from 10 parallel measurements' Ustd=0,014533195 Neff=9 [COMP 36] Type=TypBRectang Definition='Drift uncertainty component of the absorbance of the sample solution' Unit='AU' Description=2 Vnom=0 Uexp=0,000101724 Fcov=1 Description[0]='Here only the chemical drift is taken into account, because intrinsic drift is' Description[1]='significantly lower. The uncertainty estimate corresponds to the worst case.' Hlim=0.05 [COMP 37] Type=TypBRectang Definition='' Unit='' Description=2 Vnom=0 Uexp=0,000005 Fcov=1 Hlim=.009 Description[0]='This uncertainty component is estimated as the largest residual of the' Description[1]='calibration line' [COMP 38] Type=TypBRectang Definition='' Unit='' Description=3 Vnom=0 Uexp=0,000005 Fcov=1 Hlim=0 Description[0]='The determination is carried out at 540-545 nm using a complex with very' Description[1]='intense color. Under these conditions it is safe to assume that interference' Description[2]='from other components of the sample is negligible' [COMP 39] Type=TypBRectang Definition='' Unit='' Description=2 Vnom=0 Uexp=0,001521255 Fcov=1 Hlim=0 Description[0]='The calibration solutions are processed the same way as the sample solution.' Description[1]='This uncertainty component can be considered negligible.' [COMP 40] Type=TypBNormal Definition='Rounding uncertainty component of the absorbance of the sample solution' Unit='AU' Description=0 Vnom=0 Uexp=0,000005 Fcov=1 [COMP 41] Type=TypBNormal Definition='Value and repeatability component of the absorbance of the 1. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=0.15621 Uexp=0,001521255 Fcov=1 [COMP 42] Type=TypBNormal Definition='Drift uncertainty component of the absorbance of the 1. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=0 Uexp=0,000437516 Fcov=1 [COMP 43] Type=TypBNormal Definition='Rounding uncertainty component of the absorbance of the 1. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=0 Uexp=0,000005 Fcov=1 [COMP 44] Type=TypBNormal Definition='Value and repeatability component of the absorbance of the 2. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=0.55078 Uexp=0,00763709 Fcov=1 [COMP 45] Type=TypBNormal Definition='Drift uncertainty component of the absorbance of the 2. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=0 Uexp=0,000279688 Fcov=1 [COMP 46] Type=TypBNormal Definition='Rounding uncertainty component of the absorbance of the 2. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=0 Uexp=0,000005 Fcov=1 [COMP 47] Type=TypBNormal Definition='Value and repeatability component of the absorbance of the 3. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=0.76408 Uexp=0.01094324 Fcov=1 [COMP 48] Type=TypBNormal Definition='Drift uncertainty component of the absorbance of the 3. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=0 Uexp=0,000194368 Fcov=1 [COMP 49] Type=TypBNormal Definition='Rounding uncertainty component of the absorbance of the 3. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=0 Uexp=0,000005 Fcov=1 [COMP 50] Type=TypBNormal Definition='Value and repeatability component of the absorbance of the 4. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=0.92726 Uexp=0,01347253 Fcov=1 [COMP 51] Type=TypBNormal Definition='Drift uncertainty component of the absorbance of the 4. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=0 Uexp=0,000129096 Fcov=1 [COMP 52] Type=TypBNormal Definition='Rounding uncertainty component of the absorbance of the 4. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=0 Uexp=0,000005 Fcov=1 [COMP 53] Type=TypBNormal Definition='Value and repeatability component of the absorbance of the 5. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=1,0786 Uexp=0,0158183 Fcov=1 [COMP 54] Type=TypBNormal Definition='Drift uncertainty component of the absorbance of the 5. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=0 Uexp=0,00006856 Fcov=1 [COMP 55] Type=TypBNormal Definition='Rounding uncertainty component of the absorbance of the 5. nitrite calibration standard solution' Unit='AU' Description=0 Vnom=0 Uexp=0,000005 Fcov=1 [COMP 56] Type=TypBNormal Definition='Value and repeatability component of the absorbance of the 6. nitrite calibration standard solution' Unit='AU' Description=0 Fcov=1 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=1,2307 Ustd=0.00511321395992775 Neff=59 HB=0 HC=0 HR=0 IO=0 Uexp=0,01817585 [COMP 57] Type=TypBNormal Definition='Drift uncertainty component of the absorbance of the 6. nitrite calibration standard solution' Unit='AU' Description=0 Fcov=1 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 Uexp=7,72E-06 [COMP 58] Type=TypBNormal Definition='Rounding uncertainty component of the absorbance of the 6. nitrite calibration standard solution' Unit='AU' Description=0 Fcov=1 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd= Neff= HB=1 HC=0 HR=1 IO=0 Uexp=0,00005 [COMP 59] Type=Temp Definition='Volume of the nitrite standard solution taken for preparing the 1. nitrite calibration standard solution in 50 ml volumetric flask' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.2 Ustd=0.00511321395992775 Neff=59 HB=0 HC=0 HR=0 IO=0 [COMP 60] Type=Temp Definition='Concentration of the nitrite standard solution' Unit='mg/ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.0110173913043478 Ustd=8.43522354648304E-5 Neff=58 HB=1 HC=0 HR=1 IO=0 [COMP 61] Type=Temp Definition='Volume of the 1. nitrite calibration solution taken for measurement' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=25 Ustd=0.290998854522373 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 62] Type=Temp Definition='Volume of sulphanylamide added to the 1. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.5 Ustd=0.00359640779111602 Neff=61 HB=0 HC=0 HR=0 IO=0 [COMP 63] Type=Temp Definition='Volume of diamine added to the 1. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.5 Ustd=0.00291546119850702 Neff=61 HB=0 HC=0 HR=0 IO=0 [COMP 64] Type=Temp Definition='Volume of the 50 ml volumetric flask where the 1. nitrite calibration standard solution was made' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=50 Ustd=0.0773821684886124 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 65] Type=Temp Definition='Volume of the nitrite standard solution taken for preparing the 2. nitrite calibration standard solution in 50 ml volumetric flask' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.7 Ustd=0.00511321395992775 Neff=59 HB=0 HC=0 HR=0 IO=0 [COMP 66] Type=Temp Definition='Volume of the 2. nitrite calibration solution taken for measurement' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=25 Ustd=0.290998854522373 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 67] Type=Temp Definition='Volume of sulphanylamide added to the 2. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.5 Ustd=0.00359640779111602 Neff=61 HB=0 HC=0 HR=0 IO=0 [COMP 68] Type=Temp Definition='Volume of diamine added to the 2. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.5 Ustd=0.00291546119850702 Neff=61 HB=0 HC=0 HR=0 IO=0 [COMP 69] Type=Temp Definition='Volume of the 50 ml volumetric flask where the 2. nitrite calibration standard solution was made' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=50 Ustd=0.0773821684886124 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 70] Type=Temp Definition='Volume of the nitrite standard solution taken for preparing the 3. nitrite calibration standard solution in 50 ml volumetric flask' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=1 Ustd=0.00511321395992775 Neff=59 HB=0 HC=0 HR=0 IO=0 [COMP 71] Type=Temp Definition='Volume of the 3. nitrite calibration solution taken for measurement' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=25 Ustd=0.290998854522373 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 72] Type=Temp Definition='Volume of sulphanylamide added to the 3. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.5 Ustd=0.00359640779111602 Neff=61 HB=0 HC=0 HR=0 IO=0 [COMP 73] Type=Temp Definition='Volume of diamine added to the 3. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.5 Ustd=0.00291546119850702 Neff=61 HB=0 HC=0 HR=0 IO=0 [COMP 74] Type=Temp Definition='Volume of the 50 ml volumetric flask where the 3. nitrite calibration standard solution was made' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=50 Ustd=0.0773821684886124 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 75] Type=Temp Definition='Volume of the nitrite standard solution taken for preparing the 4. nitrite calibration standard solution in 50 ml volumetric flask' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=1.2 Ustd=0.00519934842071581 Neff=60 HB=0 HC=0 HR=0 IO=0 [COMP 76] Type=Temp Definition='Volume of the 4. nitrite calibration solution taken for measurement' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=25 Ustd=0.290998854522373 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 77] Type=Temp Definition='Volume of sulphanylamide added to the 4. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.5 Ustd=0.00359640779111602 Neff=61 HB=0 HC=0 HR=0 IO=0 [COMP 78] Type=Temp Definition='Volume of diamine added to the 4. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.5 Ustd=0.00291546119850702 Neff=61 HB=0 HC=0 HR=0 IO=0 [COMP 79] Type=Temp Definition='Volume of the 50 ml volumetric flask where the 4. nitrite calibration standard solution was made' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=50 Ustd=0.0773821684886124 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 80] Type=Temp Definition='Volume of the nitrite standard solution taken for preparing the 5. nitrite calibration standard solution in 50 ml volumetric flask' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=1.4 Ustd=0.00519934842071581 Neff=60 HB=0 HC=0 HR=0 IO=0 [COMP 81] Type=Temp Definition='Volume of the 5. nitrite calibration solution taken for measurement' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=25 Ustd=0.290998854522373 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 82] Type=Temp Definition='Volume of sulphanylamide added to the 5. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.5 Ustd=0.00359640779111602 Neff=61 HB=0 HC=0 HR=0 IO=0 [COMP 83] Type=Temp Definition='Volume of diamine added to the 5. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0.5 Ustd=0.00291546119850702 Neff=61 HB=0 HC=0 HR=0 IO=0 [COMP 84] Type=Temp Definition='Volume of the 50 ml volumetric flask where the 5. nitrite calibration standard solution was made' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=50 Ustd=0.0773821684886124 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 85] Type=Temp Definition='Volume of the nitrite standard solution taken for preparing the 6. nitrite calibration standard solution in 50 ml volumetric flask' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=1.6 Ustd=0.00519934842071581 Neff=60 HB=0 HC=0 HR=0 IO=0 [COMP 86] Type=Temp Definition='Volume of the 6. nitrite calibration solution taken for measurement' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=25 Ustd=0.290998854522373 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 87] Type=Temp Definition='Volume of sulphanylamide added to the 6. graduated cylinder' Unit='ml' Description=0 Vnom=0.5 Hlim=0,5 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd=0.00359640779111602 Neff=61 HB=0 HC=0 HR=0 IO=0 [COMP 88] Type=Temp Definition='Volume of diamine added to the 6. graduated cylinder' Unit='ml' Description=0 Description[0]='This uncertainty corresponds more or less to the value ± 1 drop' Vnom=0.5 Hlim=0,5 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd=0.00291546119850702 Neff=61 HB=0 HC=0 HR=0 IO=0 [COMP 89] Type=Temp Definition='Volume of the 50 ml volumetric flask where the 6. nitrite calibration standard solution was made' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=50 Ustd=0.0773821684886124 Neff=10000 HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the value ± 1 drop' Hlim=0,03 [COMP 90] Type=TypBRectang Definition='Calibration uncertainty of the 1. graduated cylinder' Unit='ml' Description=0 Vnom=25 Hlim=0,5 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 [COMP 91] Type=TypBRectang Definition='Uncertainty of measuring 25 ml of 1. nitrite calibartion standard solution with 1. graduated cylinder' Unit='ml' Description=1 Description[0]='This uncertainty corresponds more or less to ± 2 drops' Vnom=0 Hlim=0,06 [COMP 92] Type=Temp Definition='Temperature uncertainty of the volume of 1. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd=0.0121243556529821 Neff=10000 HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the value ± 1 drop' Hlim=0,03 [COMP 93] Type=TypBRectang Definition='Calibration uncertainty of the 2. graduated cylinder' Unit='ml' Description=0 Vnom=25 Hlim=0,5 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 [COMP 94] Type=TypBRectang Definition='Uncertainty of measuring 25 ml of 2. nitrite calibartion standard solution with 2. graduated cylinder' Unit='ml' Description=1 Description[0]='This uncertainty corresponds more or less to ± 2 drops' Vnom=0 Hlim=0,06 [COMP 95] Type=Temp Definition='Temperature uncertainty of the volume of 2. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd=0.0121243556529821 Neff=10000 HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the value ± 1 drop' Hlim=0,03 [COMP 96] Type=TypBRectang Definition='Calibration uncertainty of the 3. graduated cylinder' Unit='ml' Description=0 Vnom=25 Hlim=0,5 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 [COMP 97] Type=TypBRectang Definition='Uncertainty of measuring 25 ml of 3. nitrite calibartion standard solution with 3. graduated cylinder' Unit='ml' Description=1 Description[0]='This uncertainty corresponds more or less to ± 2 drops' Vnom=0 Hlim=0,06 [COMP 98] Type=Temp Definition='Temperature uncertainty of the volume of 3. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd=0.0121243556529821 Neff=10000 HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the value ± 1 drop' Hlim=0,03 [COMP 99] Type=TypBRectang Definition='Calibration uncertainty of the 4. graduated cylinder' Unit='ml' Description=0 Vnom=25 Hlim=0,5 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 [COMP 100] Type=TypBRectang Definition='Uncertainty of measuring 25 ml of 4. nitrite calibartion standard solution with 4. graduated cylinder' Unit='ml' Description=1 Description[0]='This uncertainty corresponds more or less to ± 2 drops' Vnom=0 Hlim=0,06 [COMP 101] Type=Temp Definition='Temperature uncertainty of the volume of 4. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd=0.0121243556529821 Neff=10000 HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the value ± 1 drop' Hlim=0,03 [COMP 102] Type=TypBRectang Definition='Calibration uncertainty of the 5. graduated cylinder' Unit='ml' Description=0 Vnom=25 Hlim=0,5 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 [COMP 103] Type=TypBRectang Definition='Uncertainty of measuring 25 ml of 5. nitrite calibartion standard solution with 5. graduated cylinder' Unit='ml' Description=1 Description[0]='This uncertainty corresponds more or less to ± 2 drops' Vnom=0 Uexp=0,03 Fcov=1 Hlim=0,06 [COMP 104] Type=Temp Definition='Temperature uncertainty of the volume of 5. graduated cylinder' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd=0.0121243556529821 Neff=10000 HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the value ± 1 drop' Uexp=0,03 [COMP 105] Type=TypBRectang Definition='Calibration uncertainty of the 6. graduated cylinder' Unit='ml' Description=0 Vnom=25 Uexp=0,001079 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 Hlim=0,5 [COMP 106] Type=TypBRectang Definition='Uncertainty of measuring 25 ml of 6. nitrite calibartion standard solution with 6. graduated cylinder' Unit='ml' Description=1 Description[0]='This uncertainty corresponds more or less to ± 2 drops' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,03 Fcov=1 Hlim=0,06 [COMP 107] Type=Temp Definition='Temperature uncertainty of the volume of 6. graduated cylinder' Unit='ml' Description=0 Vnom=0 Uexp=0,003412 Fcov=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' NomUnit= UncUnit= CovID=0 UncID=0 Ustd=0.0121243556529821 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 108] Type=TypBNormal Definition='Volume and calibration uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 1. graduated cylinder ' Unit='ml' Description=0 Vnom=0,5 Uexp=0,001079 Fcov=1 [COMP 109] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 1. graduated cylinder' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,003412 Fcov=1 [COMP 110] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 1. graduated cylinder' Unit='ml' Description=0 Vnom=0 Uexp=0,000358 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 111] Type=TypBNormal Definition='Volume and calibration uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 2. graduated cylinder ' Unit='ml' Description=0 Vnom=0,5 Uexp=0,001079 Fcov=1 [COMP 112] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 2. graduated cylinder' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,003412 Fcov=1 [COMP 113] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 2. graduated cylinder' Unit='ml' Description=0 Vnom=0 Uexp=0,000358 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 114] Type=TypBNormal Definition='Volume and calibration uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 3. graduated cylinder ' Unit='ml' Description=0 Vnom=0,5 Uexp=0,001079 Fcov=1 [COMP 115] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 3. graduated cylinder' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,003412 Fcov=1 [COMP 116] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 3. graduated cylinder' Unit='ml' Description=0 Vnom=0 Uexp=0,000358 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 117] Type=TypBNormal Definition='Volume and calibration uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 4. graduated cylinder ' Unit='ml' Description=0 Vnom=0,5 Uexp=0,001079 Fcov=1 [COMP 118] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 4. graduated cylinder' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,003412 Fcov=1 [COMP 119] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 4. graduated cylinder' Unit='ml' Description=0 Vnom=0 Uexp=0,000358 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 120] Type=TypBNormal Definition='Volume and calibration uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 5. graduated cylinder ' Unit='ml' Description=0 Vnom=0,5 Uexp=0,001079 Fcov=1 [COMP 121] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 5. graduated cylinder' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,003412 Fcov=1 [COMP 122] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 5. graduated cylinder' Unit='ml' Description=0 Vnom=0 Uexp=0,000358 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 123] Type=TypBNormal Definition='Volume and calibration uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 6. graduated cylinder ' Unit='ml' Description=0 Vnom=0,5 Uexp=0,001079 Fcov=1 [COMP 124] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 6. graduated cylinder' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,003412 Fcov=1 [COMP 125] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer 0.5 ml of sulphanylamide to the 6. graduated cylinder' Unit='ml' Description=0 Vnom=0 Uexp=0,000358 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 126] Type=TypBNormal Definition='Volume and calibration uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 1. graduated cylinder ' Unit='ml' Description=0 Vnom=0,5 Uexp=0,000872 Fcov=1 [COMP 127] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 1. graduated cylinder' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,002759 Fcov=1 [COMP 128] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 1. graduated cylinder' Unit='ml' Description=0 Vnom=0 Uexp=0,000357 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 129] Type=TypBNormal Definition='Volume and calibration uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 2. graduated cylinder ' Unit='ml' Description=0 Vnom=0,5 Uexp=0,000872 Fcov=1 [COMP 130] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 2. graduated cylinder' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,002759 Fcov=1 [COMP 131] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 2. graduated cylinder' Unit='ml' Description=0 Vnom=0 Uexp=0,000357 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 132] Type=TypBNormal Definition='Volume and calibration uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 3. graduated cylinder ' Unit='ml' Description=0 Vnom=0,5 Uexp=0,000872 Fcov=1 [COMP 133] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 3. graduated cylinder' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,002759 Fcov=1 [COMP 134] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 3. graduated cylinder' Unit='ml' Description=0 Vnom=0 Uexp=0,000357 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 135] Type=TypBNormal Definition='Volume and calibration uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 4. graduated cylinder ' Unit='ml' Description=0 Vnom=0,5 Uexp=0,000872 Fcov=1 [COMP 136] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 4. graduated cylinder' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,002759 Fcov=1 [COMP 137] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 4. graduated cylinder' Unit='ml' Description=0 Vnom=0 Uexp=0,000357 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 138] Type=TypBNormal Definition='Volume and calibration uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 5. graduated cylinder ' Unit='ml' Description=0 Vnom=0,5 Uexp=0,000872 Fcov=1 [COMP 139] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 5. graduated cylinder' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,002759 Fcov=1 [COMP 140] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 5. graduated cylinder' Unit='ml' Description=0 Vnom=0 Uexp=0,000357 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 141] Type=TypBNormal Definition='Volume and calibration uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 6. graduated cylinder ' Unit='ml' Description=0 Vnom=0,5 Uexp=0,000872 Fcov=1 [COMP 142] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 6. graduated cylinder' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0,002759 Fcov=1 [COMP 143] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer 0.5 ml of diamine to the 6. graduated cylinder' Unit='ml' Description=0 Vnom=0 Uexp=0,000357 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 144] Type=TypBNormal Definition='Volume and the calibration uncertainty component of the pipette used to transfer the nitrite standard solution to the 1. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=0,2 Uexp=0.001541 Fcov=1 [COMP 145] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer the nitrite standard solution to the 1. 50 ml volumetric flask' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0.004874 Fcov=1 [COMP 146] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer the nitrite standard solution to the 1. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=0 Uexp=0.00012 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 147] Type=TypBNormal Definition='Volume and the calibration uncertainty component of the pipette used to transfer the nitrite standard solution to the 2. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=0,7 Uexp=0.001541 Fcov=1 [COMP 148] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer the nitrite standard solution to the 2. 50 ml volumetric flask' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0.004874 Fcov=1 [COMP 149] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer the nitrite standard solution to the 2. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=0 Uexp=0.00012 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 150] Type=TypBNormal Definition='Volume and the calibration uncertainty component of the pipette used to transfer the nitrite standard solution to the 3. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=1 Uexp=0.001541 Fcov=1 [COMP 151] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer the nitrite standard solution to the 3. 50 ml volumetric flask' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0.004874 Fcov=1 [COMP 152] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer the nitrite standard solution to the 3. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=0 Uexp=0.00012 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 153] Type=TypBNormal Definition='Volume and the calibration uncertainty component of the pipette used to transfer the nitrite standard solution to the 4. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=1,2 Uexp=0.004952 Fcov=1 [COMP 154] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer the nitrite standard solution to the 4. 50 ml volumetric flask' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0.001566 Fcov=1 [COMP 155] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer the nitrite standard solution to the 4. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=0 Uexp=0.000242 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 156] Type=TypBNormal Definition='Volume and the calibration uncertainty component of the pipette used to transfer the nitrite standard solution to the 5. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=1,4 Uexp=0.004952 Fcov=1 [COMP 157] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer the nitrite standard solution to the 5. 50 ml volumetric flask' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' Vnom=0 Uexp=0.001566 Fcov=1 [COMP 158] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer the nitrite standard solution to the 5. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=0 Uexp=0.000242 Fcov=1 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Description[1]='solution is taken 0.4% of the volume of the pipette' [COMP 159] Type=TypBNormal Definition='Volume and the calibration uncertainty component of the pipette used to transfer the nitrite standard solution to the 6. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=1,6 Hlim=0,09 Uexp=0,004952 Fcov=1 [COMP 160] Type=TypBNormal Definition='Repeatability uncertainty component of the pipette used to transfer the nitrite standard solution to the 6. 50 ml volumetric flask' Unit='ml' Description=2 Description[0]='Estimate due to repeatability of the volume of the nitrite standard standard' Vnom=0 Hlim=0,09 Description[1]='solution is taken 0.4% of the volume of the pipette' Uexp=0,001566 Fcov=1 [COMP 161] Type=TypBNormal Definition='Temperature uncertainty component of the pipette used to transfer the nitrite standard solution to the 6. 50 ml volumetric flask' Unit='ml' Description=0 Fcov=1 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd=0.0151554445662277 Neff=10000 HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the value ±1 drop' Hlim=0,03 Uexp=0,000242 [COMP 162] Type=TypBRectang Definition='Value and the calibration uncertainty component of the volume of the 1. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=50 Hlim=0,09 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 [COMP 163] Type=TypBRectang Definition='Repeatability uncertainty component of the volume of the 1. 50 ml volumetric flask' Unit='ml' Description=1 Description[0]='This uncertainty corresponds more or less to the value ±3 drops' Vnom=0 Hlim=0,09 [COMP 164] Type=Temp Definition='Temperature uncertainty component of the volume of the 1. 50 ml volumetric flask' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd=0.0242487113059643 Neff=10000 HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the value ±1 drop' Hlim=0,03 [COMP 165] Type=TypBRectang Definition='Value and the calibration uncertainty component of the volume of the 2. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=50 Hlim=0,09 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 [COMP 166] Type=TypBRectang Definition='Repeatability uncertainty component of the volume of the 2. 50 ml volumetric flask' Unit='ml' Description=1 Description[0]='This uncertainty corresponds more or less to the value ±3 drops' Vnom=0 Hlim=0,09 [COMP 167] Type=Temp Definition='Temperature uncertainty component of the volume of the 2. 50 ml volumetric flask' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd=0.0242487113059643 Neff=10000 HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the value ±1 drop' Hlim=0,03 [COMP 168] Type=TypBRectang Definition='Value and the calibration uncertainty component of the volume of the 3. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=50 Hlim=0,09 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 [COMP 169] Type=TypBRectang Definition='Repeatability uncertainty component of the volume of the 3. 50 ml volumetric flask' Unit='ml' Description=1 Description[0]='This uncertainty corresponds more or less to the value ±3 drops' Vnom=0 Hlim=0,09 [COMP 170] Type=Temp Definition='Temperature uncertainty component of the volume of the 3. 50 ml volumetric flask' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd=0.0242487113059643 Neff=10000 HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the value ±1 drop' Hlim=0,03 [COMP 171] Type=TypBRectang Definition='Value and the calibration uncertainty component of the volume of the 4. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=50 Hlim=0,09 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 [COMP 172] Type=TypBRectang Definition='Repeatability uncertainty component of the volume of the 4. 50 ml volumetric flask' Unit='ml' Description=1 Description[0]='This uncertainty corresponds more or less to the value ±3 drops' Vnom=0 Hlim=0,09 [COMP 173] Type=Temp Definition='Temperature uncertainty component of the volume of the 4. 50 ml volumetric flask' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd=0.0242487113059643 Neff=10000 HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the value ±1 drop' Hlim=0,03 [COMP 174] Type=TypBRectang Definition='Value and the calibration uncertainty component of the volume of the 5. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=50 Hlim=0,09 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 [COMP 175] Type=TypBRectang Definition='Repeatability uncertainty component of the volume of the 5. 50 ml volumetric flask' Unit='ml' Description=1 Description[0]='This uncertainty corresponds more or less to the value ±3 drops' Vnom=0 Hlim=0,09 [COMP 176] Type=Temp Definition='Temperature uncertainty component of the volume of the 5. 50 ml volumetric flask' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd=0.0242487113059643 Neff=10000 HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the value ±1 drop' Hlim=0,03 [COMP 177] Type=TypBRectang Definition='Value and the calibration uncertainty component of the volume of the 6. 50 ml volumetric flask' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=50 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 Hlim=0,09 [COMP 178] Type=TypBRectang Definition='Repeatability uncertainty component of the volume of the 6. 50 ml volumetric flask' Unit='ml' Description=1 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the value ±3 drops' Hlim=0,09 [COMP 179] Type=Temp Definition='Temperature uncertainty component of the volume of the 6. 50 ml volumetric flask' Unit='ml' Description=0 Vnom=0 Hlim=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd=0.0242487113059643 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 180] Type=Temp Definition='Concentration of nitrite ion stock solution' Unit='mg/ml' Description=0 Vnom=0.110173913043478 Hlim=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd=0.000827171756492025 Neff=53 HB=0 HC=0 HR=0 IO=0 [COMP 181] Type=Temp Definition='Weight of NaNO_2 used for nitrite ion stock solution preparation' Unit='mg' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=54.3 Ustd=0.403112890220477 Neff=51 HB=0 HC=0 HR=0 IO=0 Hlim=0 [COMP 182] Type=TypBRectang Definition='Molar mass of nitrogen' Unit='g/mol' Description=0 Vnom=14 Uexp=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 Hlim=0 [COMP 183] Type=TypBRectang Definition='Molar mass of sodium nitrite' Unit='g/mol' Description=0 Vnom=69 Uexp=0 Fcov=1 Hlim=0 [COMP 184] Type=Temp Definition='Volume of the 100 volumetric flask where the nitrite ion stock solution was made' Unit='ml' Description=0 Vnom=100 Uexp=4,75595E-05 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd=0.112035708593287 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 185] Type=TypBNormal Definition='Value and repeatabilty uncertainty component of the weight of sodium nitrite used for nitrite ion stock solution preparation' Unit='mg' Description=0 Vnom=54,3 Hlim=0,15 Uexp=0,4 Fcov=1 [COMP 186] Type=TypBNormal Definition='Drift uncertainty compnent of the weight of sodium nitrite used for nitrite ion stock solution preparation' Unit='mg' Description=0 Description[0]='This uncertainty corresponds more or less to the uncertainty ±1 drop' Vnom=0 Hlim=0,15 Uexp=4,75595E-05 Fcov=1 [COMP 187] Type=TypBNormal Definition='Rounding uncertainty component of the weight of sodium nitrite used for nitrite ion stock solution preparation' Unit='mg' Description=0 Fcov=1 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd=0.0303108891324554 Neff=10000 HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the uncertainty ±1 drop' Hlim=0,03 Uexp=0,05 [COMP 188] Type=TypBRectang Definition='Value and the calibration uncertainty component of the volume of 100 ml volumetric flask used for nitrite ion stock solution preparation' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=100 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 Hlim=0,15 [COMP 189] Type=TypBRectang Definition='Repeatability uncertainty component of the volume of 100 ml volumetric flask used for nitrite ion stock solution preparation ' Unit='ml' Description=1 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the uncertainty ±3 drops' Hlim=0,09 [COMP 190] Type=Temp Definition='Temperature uncertainty component of the volume of 100 ml volumetric flask used for nitrite ion stock solution preparation' Unit='ml' Description=0 Vnom=0 Hlim=0,15 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd=0.0484974226119286 Neff=10000 HB=0 HC=0 HR=0 IO=0 [COMP 191] Type=Temp Definition='Volume of nitrite stock solution taken for the preparation of of nitrite ion standard solution' Unit='ml' Description=0 Description[0]='This uncertainty corresponds more or less to the uncertainty ±1 drop' Vnom=10 Hlim=0,15 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd=0.00724477032072101 Neff=63 HB=0 HC=0 HR=0 IO=0 [COMP 192] Type=Temp Definition='Volume of the 100 volumetric flask where the nitrite ion standard solution was made' Unit='ml' Description=0 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Vnom=100 Ustd=0.112035708593287 Neff=10000 HB=0 HC=0 HR=0 IO=0 Description[0]='This uncertainty corresponds more or less to the uncertainty ±1 drop' Hlim=0,03 [COMP 193] Type=TypBRectang Definition='Value and the calibration uncertainty component of the volume of 100 ml volumetric flask used for nitrite ion standard solution preparation' Unit='ml' Description=0 Vnom=100 Uexp=0.002163 Fcov=2 NomUnit= UncUnit= CovID=0 UncID=0 Ustd= Neff= HB=0 HC=0 HR=0 IO=0 Hlim=0,15 [COMP 194] Type=TypBRectang Definition='Repeatability uncertainty component of the volume of 100 ml volumetric flask used for nitrite ion standard solution preparation ' Unit='ml' Description=1 Description[0]='This uncertainty corresponds more or less to the uncertainty ±3 drops' Description[1]='standard solution is taken as 0.4% of the volum of the pipette' Vnom=0 Uexp=0.002163 Fcov=1 Hlim=0,09 [COMP 195] Type=Temp Definition='Temperature uncertainty component of the volume of 100 ml volumetric flask used for nitrite ion standard solution preparation' Unit='ml' Description=0 Vnom=0 Uexp=0.006808 Fcov=2 Description[0]='Estimate of uncertainty due to repeatability of volume of the nitrite ion' Description[1]='standard solution is taken as 0.4% of the volum of the pipette' NomUnit= UncUnit= CovID=0 UncID=0 Ustd=0.0484974226119286 Neff=10000 HB=0 HC=0 HR=0 IO=0 [Correlations] Description=0 [COMP 196] Type=TypBNormal Definition='Volume and calibration uncertainty component of the 10 ml pipette used to transfer 10 ml of nitrite stock solution to the 100 ml volumetric flask' Unit='ml ' Description=0 Vnom=10 Uexp=0.002163 Fcov=1 [COMP 197] Type=TypBNormal Definition='Repeatability uncertainty component of the 10 ml pipette used to transfer 10 ml of nitrite stock solution to the 100 ml volumetric flask' Unit='ml' Description=2 Description[0]='Estimate of uncertainty due to repeatability of volume of the nitrite ion' Description[1]='standard solution is taken as 0.4% of the volum of the pipette' Vnom=0 Uexp=0.006808 Fcov=1 [COMP 198] Type=TypBNormal Definition='Temperature uncertainty component of the 10 ml pipette used to transfer 10 ml of nitrite stock solution to the 100 ml volumetric flask' Unit='ml' Description=0 Vnom=0 Uexp=0.001208 Fcov=1