Proficiency Test on AZO dyes in
Leather finished
The full report can be downloaded (as .pdf-file). To download the report, please click the right mouse button and choose the "save as" option. Download the report (iis15A02L) of this Proficiency Test on AZO dyes in Leather For viewing the report you will need Adobe Acrobat Reader
Summary of this proficiency test: On 7 May 2015, the proficiency test on AZO dyes in Leather (iis15A02L) was finished. It started on 4 March 2015 (see message Proficiency Test on AZO dyes in Leather started on this website) when the samples were distributed. In this international interlaboratory study 156 participants in 32 different countries have participated. The samples were tested on 24 forbidden aromatic amines The proficiency test report summarises per test, the test results, the analytical methods reported by the participants and the z-scores calculated for each participant are tabulated. Also, for each test, 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. |