Proficiency Test on Engine Oil (Fresh) started
The report forms and letters of instruction can be downloaded here as Word document. To download a document, please click the right mouse button and choose the "save as" option.
Download the report forms for iis15L04 here: report form and the letter of instructions.
Summary of this proficiency test:
On 20 May 2015 the proficiency test on Engine Oil (Fresh)started with 73 participants from 40 different countries. On that date, the samples were dispatched to the laboratories. Enclosed to the samples were the instructions to the participants for this proficiency test, forms for the reporting of the analysis results and the safety data sheet (SDS).
The samples can be analyzed on Acid Number, Base Number, Colour, CCR, Density @15°C, Flash Point COC and PMcc, Kinematic viscosity @40°C, Kinematic viscosity @100°C Viscosity Stabinger @40°C /@100°C ,Analysis Run Time, Viscosity Index, Apparent Viscosity, Rambottom Carbon Residue, Nitrogen, Pour Point, Sulphated ash, Sulphur, Foaming Tendency,  Foam Stability, Water and the additives Ca, P and Zn. 
The deadline for reporting results is set on 19 June 2015. A laboratory that reports test 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.
NB. The test results can also be reported via our internet based results reporting platform. A login and a password can be requested via email to