Proficiency Test on OPP, PCP and TeCP in textile finished

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Download the (revised) report (iis14A07) of this Proficiency Test on OPP, PCP and TeCP in textile

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Summary of this proficiency test:

On 27 March 2015, the proficiency test on OPP, PCP and TeCP in textile (iis14A07) was finished. It started on 19 November 2014 (see message Proficiency Test on OPP, PCP and TeCP in textile started on this website) when the samples were distributed.

In this international interlaboratory study 102 participants in 21 different countries have participated.

The samples were tested on: PCP, OPP and TCeP.

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. For each test a comparison is made between the results of the group of participants and the requirements given by the relevant standard (e.g. ISO, DIN, ASTM).