Proficiency Test on Hydraulic Fluid (Used) started

The report 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 for the main sample of iis15L07 here: the letter of instructions and the  report form.

Summary of this proficiency test:

On 28 October 2015 the proficiency test on Hydraulic Fluid (Used) started with 57 participants from 37 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, and the material safety data sheet (MSDS).

The samples have to be analyzed on: Total Acid Number, Density @ 15C, Flash Point PMcc, Kinematic viscosity @ 40C, Kinematic viscosity @ 100C, Viscosity Stabinger at 40C and at 100C, Sulphur, Water , Al, Ba, Cr, Cu, Fe, Pb, Li, Mg, Mn, Mo, Ni, Na, Si, Ag, Sn, Ti, V, Ca, P and Zn.

The deadline for reporting results is set on 27 November 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