Proficiency Test on Azo Dyes in Textile finished

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Download the report (iis17A01) of this Proficiency Test on Azo Dyes in Textile     

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Summary of this proficiency test:

On 28 April 2017 , the proficiency test on Azo Dyes in Textile (iis17A01) was finished. It started on 8 February 2017 (see message "Proficiency Test on Azo Dyes in Textile started" on this website) when the samples were distributed.

In this interlaboratory study 166 participants in 35 different countries have participated.

The proficiency test report summarises the test results, the analytical methods reported by the participants and the z-scores calculated for each participant are tabulated. Also the calculated summary (e.g. mean, standard deviation and reproducibility) is given.

In the report also an evaluation of the test results is given. Problems encountered in the analyses are mentioned and - where possible - suggestions for quality improvement are formulated. For each test a comparison is made between the results of the group of participants and the requirements given by the relevant standard.