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2025 Proficiency Test (PT) on Toluene 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.
Please download the instructions for the PT iis25C02 here: the letter of instructions
Summary of this proficiency test:
On 12 February 2025 the proficiency test on Toluene started with 29 participants from 14 different countries. On that date, the samples were dispatched to the laboratories. 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
www.kpmd.co.uk/sgs-iis/. Please enter the date of receipt and press the "save date" button.
The samples can be analyzed on: Acid wash color, Appearance, Color, Copper Corrosion, Density at 20°C,
Distillation, Purity, Benzene, Nonaromatics, Total Impurities, Refractive Index at 25° and Water.
The deadline for reporting results is set on
21 March 2025.
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 www.kpmd.co.uk/sgs-iis/.
A login and a password can be requested via email to nl.iis@sgs.com