Estimation of Measurement Uncertainty in Chemical Analyses | University of Tartu

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Contacts of UT units

Faculty of Arts and Humanities
Faculty phone: 
+372 737 5341
Faculty address: 
Jakobi 2, rooms 116–121, 51005 Tartu
  • Dean's Office
    Faculty phone: 
    + 372 737 5341
    Faculty address: 
    Jakobi 2, rooms 116–121, 51005 Tartu
  • Institute of History and Archaeology
    Faculty phone: 
    +372 737 5651
    Faculty address: 
    Jakobi 2, 51005 Tartu
  • Institute of Estonian and General Linguistics
    Faculty phone: 
    +372 737 5221
    Faculty address: 
    Jakobi 2, 51005 Tartu
  • Institute of Philosophy and Semiotics
    Faculty phone: 
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    Faculty address: 
    Jakobi 2, rooms 309–352, 51005 Tartu
  • Institute of Cultural Research
    Faculty phone: 
    (+372) 737 5223
    Faculty address: 
    Ülikooli 16, 51003 Tartu
  • School of Theology and Religious Studies
    Faculty phone: 
    +372 737 5301
    Faculty address: 
    Ülikooli 18–310, 50090 Tartu
  • College of Foreign Languages and Cultures
    Faculty address: 
    Lossi 3, 51003 Tartu
  • Viljandi Culture Academy
    Faculty phone: 
    +372 435 5232
    Faculty address: 
    Posti 1, 71004 Viljandi
Faculty of Social Sciences
Faculty phone: 
+372 737 5957
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Lossi 36, 51003 Tartu
  • Dean's Office
    Faculty phone: 
    + 372 737 5900
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    Lossi 36, 51003 Tartu
  • Institute of Education
    Faculty phone: 
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    Salme 1a–29, 50103 Tartu
  • Johan Skytte Institute of Political Studies
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    Lossi 36–301, 51003 Tartu
  • School of Economics and Business Administration
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  • Institute of Psychology
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Faculty of Medicine
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  • Institute of Biomedicine and Translational Medicine
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Faculty of Science and Technology
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  • Institute of Computer Science
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  • Estonian Marine Institute
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  • Institute of Physics
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  • Institute of Mathematics and Statistics
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  • Youth Academy
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    Uppsala 10, 51003 Tartu
  • Institute of Genomics
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    Riia 23b, 51010 Tartu
  • Museum
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  • University of Tartu Natural History Museum and Botanical Garden
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Support Units
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    Faculty address: 
    Lossi 3, III floor, 51003 Tartu
  • University Office in Tallinn
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    Teatri väljak 3, 10143 Tallinn
  • Estates Office
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  • Finance Office
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  • Grant Office
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  • View all other units

Estimation of Measurement Uncertainty in Chemical Analyses

Course authors: 
Ivo Leito, Lauri Jalukse, Irja Helm
Language: 
English
Training volume: 
1 ECTS (26 hours)
Course duration: 
6 weeks
Course dates: 
26.03.2019 to 07.05.2019
Course target group: 

All who have introductory level knowledge of analytical chemistry

Course certification: 

The students who have successfully passed the course will be issued a certificate of completion by the University of Tartu.

A digital certificate of completion is free of charge. Please read the technical requirements for downloading and opening the digitally verified document here.

A certificate of completion on paper can be requested for a fee of 60 euros (incl. all taxes). The basis of payment for the certificate on paper is the invoice issued by the university. The certificate will be sent out after the receipt of payment.
 
If you would like to get a paper certificate, please provide us with this information later during registration.

 

Course preliminary knowledge: 

Introductory level knowledge of analytical chemistry is required. More advanced knowledge of analytical chemistry and introductory knowledge of mathematical statistics is an advantage.

 

 

Course description: 

This is an introductory course on estimation of measurement uncertainty, specifically related to chemical analysis (analytical chemistry). The course gives the main concepts and mathematical apparatus of measurement uncertainty estimation and introduces two principal approaches to measurement uncertainty estimation – the ISO GUM modeling approach (the “bottom-up” or modeling approach) and the single-lab validation approach as implemented by Nordtest (the “top-down” or Nordtest approach). The course contains lectures, practical exercises and numerous tests for self-testing.

In spite of being introductory, the course intends to offer sufficient knowledge and skills for carrying out uncertainty estimation for most of the common chemical analyses in routine laboratory environment. The techniques for which there are examples or exercises include acid-base titration, Kjeldahl nitrogen determination, UV-Vis spectrophotometry, atomic absorption spectroscopy and liquid chromatography mass spectrometry (LC-MS). It is important to stress, however, that for successful measurement uncertainty estimation experience (both in analytical chemistry as such and also in uncertainty estimation) is crucial and this can be acquired only through practice.

The materials of this course can also be useful for people who do not intend to follow the full course but only want to find answers to some specific questions.

Course authors biography: 

Ivo Leito, professor of analytical chemistry at University of Tartu.
Ivo teaches analytical chemistry and metrology in chemistry at all study levels and organizes short training courses for practitioners on different topics of analytical chemistry and metrology in chemistry. His research work embraces a wide area of topics ranging from studies of superacids and superbases to LC-MS analysis. He is the initiator of the master’s programme Applied Measurement Science at University of Tartu.
 

Lauri Jalukse, research fellow in analytical chemistry at University of Tartu.
Lauri teaches analytical chemistry and metrology in chemistry at all study levels. He is continuously introducing innovative and active learning approaches into teaching. His research work is focused on metrological studies of electrochemical and optical sensors, measurements of dissolved oxygen concentration and moisture content, as well as organization of interlaboratory comparisons.  


Irja Helm, research fellow in analytical chemistry at University of Tartu.
Irja teaches practical classes of analytical chemistry. She takes care that metrological concepts and approaches are introduced to students at as early stage of analytical chemistry studies as possible.

 


Technical design: Lifelong Learning Centre, University of Tartu.

Course completion requirements: 

Successfully completing the course means that all graded tests are taken successfully. At the end of each study week there is a graded test (Test 1 Quiz, Test 2 Quiz, ...). All 6 tests have to be taken and with each test the score has to be equal to or higher than the threshold (the threshold is indicated with each test). Each test can be taken a number of times (the number of allowed attempts is indicated with each test). The highest obtained score will count.

The final score will be formed by weighted summation of scores of all tests.

Course outcomes: 

The student who has successfully passed the course knows:

  • the main concepts related to measurement results and measurement uncertainty, including their application to chemical analysis;
  • the main mathematical concepts and tools in uncertainty estimation;
  • the main measurement uncertainty sources in chemical analysis;
  • the main approaches for measurement uncertainty estimation.

The student who has successfully passed the course is able to:

  • decide what data are needed for uncertainty estimation, understand the meaning of the available data and decide whether the available data are sufficient;
  • select the uncertainty estimation approach suitable for the available data;
  • quantify the uncertainty contributions of the relevant uncertainty sources using the available data;
  • carry out estimation of uncertainty using the main approaches of uncertainty estimation.
Curriculum: 

This course is part of the Applied Measurement Science (http://www.ut.ee/ams/) master’s programme, which offers “full package” of education in Analytical chemistry, physical measurements and testing, metrology in chemistry, as well as economic and legal aspects of measurements.

You are all welcome to apply for a place in the AMS programme! 

 
Participants feedback: 
  • The feedback of the participants was very positive (some examples can be seen on the course website) and we are glad that evidently we were able to offer something that is really needed by people who do chemical analysis in their everyday work, such as many of our participants.
  • This possibility for everyone to work at their own pace has been specifically outlined in several participant feedbacks as a strong point.