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Welcome to Eurachem

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Image courtesy of SP, Sweden

Welcome to Eurachem, a network of organisations in Europe having the objective of establishing a system for the international traceability of chemical measurements and the promotion of good quality practices. It provides a forum for the discussion of common problems and for developing an informed and considered approach to both technical and policy issues. It provides a focus for analytical chemistry and quality related issues in Europe.

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For email updates about Eurachem, you can subscribe to our mailing list.

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Key topics

Check the Task Views below to find all the Eurachem resources for key topics:

  • Accreditation
  • Method Validation
  • Measurement Uncertainty
  • Proficiency Testing
  • Quality Assurance

or use Tags to find information on many other topics.

 

Forthcoming Events

28 Sep 202611th Eurachem PT Workshop - Sept 2026
View Full Calendar

Recent News

  • Terminology guidance now available in Ukrainian

    Tower of babelThanks to our colleagues in Ukraine, the Education and Training Working Group has published Ukrainian translations of the 2nd edition of the guide ‘Terminology in Analytical Chemistry: Introduction to VIM 3’ and the accompanying leaflet ‘You talk, we understand – The way out of the tower of Babel’.

    Read more ...  
  • Leaflet introducing Bayes' theorem now available in Ukrainian

    Thanks to our colleagues in Ukraine, our Qualitative Analysis working group has published a Ukrainian translation of our information Leaflet on the interpretation of qualitative test results using Bayes' theorem.

    The leaflet shows how the prevalence of a characteristic - in this case the prevalence of a disease - affects the interpretation of test results. 

    Read the leaflet >>

     
  • New guide: MU from precision and recovery data

    The Eurachem MU and Traceability WG is pleased to announce a new Guide covering the evaluation of measurement uncertainty from precision and trueness data.

    The Guide provides a detailed approach to teh use of in-house method validation data for measurement uncertainy evaluation. Key topics include modelling how measurement uncertainty varies with concentrations, and how to handle divergent recovery values from different reference materials.

    Download the guide >>

     
  • Fourth edition of our Guide to Quality in Analytical Chemistry

    Eurachem is pleased to present a new Fourth edition of our Guide to Quality in Analytical Chemistry.

    The Guide gives guidance on accreditation for analytical chemistry laboratories. This fourth edition reflects changes that were introduced with the publication of the 2017 version of ISO/IEC 17025.

    Read more ...  
  • New leaflet on Bayes theorem for qualitative tests

    Our Qualitative Analysis working group has published a new information Leaflet on the interpretation of qualitative test results using bayes' theorem.

    "Should Gabriel visit Maria? A short introduction to Bayes’ Theorem" is short story showing how the prevalence of a characteristic - in this case the prevalence of a disease - affects the interpretation of test results. 

    Read the leaflet >>

     

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Additional information

Frequently requested

  • Measurement Uncertainty
  • Eurachem - a quick reference
  • Eurachem working groups
  • Proficiency Testing
  • Accreditation for Microbiological Laboratories (2013)
  • 9th International Workshop on Proficiency Testing (2017)

Recent updates

  • Terminology guidance now available in Ukrainian
  • Terminology in Analytical Measurement: Introduction to VIM 3
  • You talk, we understand – The way out of the tower of Babel
  • Measurement Uncertainty and Traceability Working Group
  • MUWG 2026-07-08
  • The Two One-Sided t-Test (TOST)

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