|Proficiency Test on
Metals in Plastics 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.
Summary of this proficiency test:
On 21 October 2013, the proficiency test on Metals in Plastics (iis13P02) was finished. It started on 12 August 2013 (see message “Proficiency Test on Metals in Plastics started” on this website) when the samples were distributed.
In this interlaboratory study 158 participants in 36 different countries have participated.
The participants were requested to determine Cadmium, lead, mercury, chromium and chromium VI.
The proficiency test report summarises per analyt, the test results, the analytical test methods reported by the participants and the z-scores calculated for each participant are tabulated. Also, for each analyt, 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. EN, ISO, ASTM).