Proficiency Test on Gasoil/Diesel 10% FAME (B10) finished

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Download the report (iis15G03) of this Proficiency Test on Gasoil 10% FAME (B10)

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Summary of this proficiency test:

On 14 August 2015, the proficiency test on Gasoil 10% FAME (B10) iis15G03 was finished. It started on 6 May 2015 (see message "Proficiency Test on Gasoil 10% FAME (B10) started" on this website) when the samples were distributed.

In this interlaboratory study 78 laboratories in 32 countries have participated.

The participants were requested to determine Ash content, aromatics , Cetane Index, Carbon residue, Cloud Point, CFPP, copper corrosion, Density @ 15°C, Flash Point PMcc, Kinematic viscosity @40°C, Lubricity by HFRR, Oxidation Stability, PAH, pour point, Sulphur content, Total acid number, Water content, FAME content, total contamination and Distillation at 760 mmHg.

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).