Proficiency Test on Biodiesel B100 finished

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Download the report (iis13G05) of this Proficiency Test on Biodiesel B100.

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Summary of this proficiency test:

On 17 December 2013, the proficiency test on Biodiesel B100 (iis13G05) was finished. It started on 18 September 2013 (see message “Proficiency Test on Biodiesel B100 started” on this website) when the samples were distributed.

In this interlaboratory study 62 participants in 25 countries have participated.

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).