Proficiency Test on Condensate finished

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Download the report (iis12R02) of this Proficiency Test on Condensate

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Summary of this proficiency test:

On 17 December 2012, the proficiency test on Condensate (iis12R02) was finished. It started on 17 October 2012 (see message “Proficiency Test on Condensate started” on this website) when the samples were distributed.

In this international interlaboratory study 49 participants in 19 different countries have participated.

The participants were requested to determine Density, Sulphur, Distillation, Colour Saybolt, Water by KF ,Mercury content and total vapour pressure.

The proficiency test report summarises per test, the test results, the analytical methods reported by the participants and the z-scores calculated by iis 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).

Interested parties can order a hard copy of the report; the price for non-participants is Euro 35.