Proficiency Test on Hydraulic Fluid (Fresh)  finished

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Download the report (iis15L06) of this Proficiency Test on Hydraulic Fluid (Fresh) .

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Summary of this proficiency test:

On 15 February 2016, the proficiency test on Hydraulic Fluid (Fresh)  (iis15L06) was finished. It started on 28 October 2015  (see message 'Proficiency Test on Hydraulic Fluid (Fresh)  started') when the samples were distributed.

In this interlaboratory study 48 participants in 35 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, ASTM, EN).