Proficiency Test on Vacuum Gasoil  started

The letter of instructions can be downloaded here as Word document. To download a document, please click the right mouse button and choose the "save as" option.

Download for the main sample of iis15G06 here: the letter of instructions and the  report form.

Summary of this proficiency test:

On 25 November 2015 the proficiency test on Vacuum Gasoil  started with 58 participants from 27 different countries.

On that date, the sample was dispatched to the laboratories. Enclosed to the sample were the instructions to the participants for this proficiency test and the material safety data sheet (MSDS).

The samples have to be analyzed on:  Acid Number, Aniline Point, Asphaltenes, Density @ 15C, Carbon Residue, Flash Point PMcc, Kinematic viscosity @ 50C, Kinematic viscosity @ 100C, Nitrogen, Pour point,  Total Sulphur Content, As, Ca, Cu, Fe, Ni, Na, Si, and V, Simulated distillation and Distillation.

The deadline for reporting results is set on 25 December 2015. A laboratory that sends in results after deadline will definitely not get direct feedback in case any of its results are suspect! So be in good time to get the most out of this proficiency test.

The test results have to be reported via our internet based "results reporting platform". A login and a password can be requested via email to