Proficiency Test on Crude Oil started

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

Download the instructions for iis17R01 here: The letter of instructions and the report form here.

Summary of this proficiency test:

On 18 October 2017 the proficiency test on Crude Oil started with 145 participants from 51 different countries. Enclosed to the sample is the material safety data sheet (MSDS).

Please confirm sample receipt as soon as you have received and checked the contents of the sample package via Please enter the date of receipt and press the "save date" button.

The sample can be analyzed on: TAN, API Gravity, BSW, Density at 15°C, Viscosity at 40°C, Light ends, Molecular Mass average, Pour Point, Salt, Sediment, Total Sulphur, Water, Total Mercury and Simulated Distillation.

The deadline for reporting results is set on 24 November 2017. A laboratory that reports test results after the 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 should be reported via our internet based results reporting platform. A login and a password can be requested via email to