Proficiency Test on Fuel 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 iis17F03 here: The letter of instructions.

Download the instuctions for iis17F03M here: The letter of instructions.

Download the instuctions for iis17F03Br here: The letter of instructions.

Download the instuctions for iis17F03C here: The letter of instructions.

Summary of this proficiency test:

On 29 November 2017 the proficiency test on Fuel Oil started with  143 participants from 60 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: Acid Number, API Gravity, Ash Content, Asphaltenes, Calc.Carbon Aromaticity Index, Carbon Residue, Density at 15°C , Flash Point PMcc, Heat of Combustion, Kinematic viscosity at 50°C/100°C, Viscosity Stabinger at 50°C/ 100°C, Nitrogen content, Pour Point, Sediment by extraction, Total sediment, Total Sulphur Content, Water by distillation, Water and Sediment, Distillation performed at 10 mm Hg, CHN-Analysis, Metals, Bromine Number, P-Value and Compatibility Rating.

The deadline for reporting results is set on 5 January 2018. 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