|Proficiency Test on
Migration of Certain Elements 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 9 July 2013, the proficiency test Migration of Certain Elements (iis13V02) cfr EN71-3 was finished. It started on 27 March 2013 (see message "Proficiency Test on Migration of Certain Elements started" on this website) when the samples (two different plates with paint to be scaped off) were distributed.
In this interlaboratory study 120 participants in 29 different countries have participated.
The participants were requested to test the samples for EN71-3 migration on 13 elements: As, Ba, Cd, Cr, Co, Cu, Hg, Pb, Ni, Sb, Se, Sn and Zn.
The proficiency test report summarises per element, 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 element a comparison is made between the results of the group of participants and the requirements given by the relevant literature.