Proficiency Test on Benzene 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 iis15C04B here: report form and the letter of instructions.
Summary of this proficiency test:
On 11 February 2015 the proficiency test on Benzene started with 55 participants from 22 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, a form to confirm sample receipt and the safety data sheet (SDS).
The Benzene samples may be tested on Acid wash color, Acidity, Appearance, Bromine index, Colour, Density @ 20°C, Distillation, Total Chloride, total Organic Chloride ,Total Nitrogen, Solidification point, Methylcyclohexane, Toluene, Nonaromatics and Purity.
The deadline for reporting results is set on 13 March 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