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2024 Proficiency Test (PT) on MMA 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 iis24K04 here: the letter of instructions and the report form here


Summary of this proficiency test:


On 10 January 2024 the proficiency test on MMA started with 15 participants from 11 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 Please enter the date of receipt and press the "save date" button.


The samples can be analyzed on: Acidity as acrylic acid, Appearance , Colour Pt/Co, Density at 20°C, Inhibitor as Topanol A, Water, Purity by GC, Purity on dry basis GC, Acetone, Ethylacrylate, Ethylmethacrylate, Methanol, Methylacrylate, Methylisobutyrate, Methylpropionate, Methyl alpha-Hydroxy Isobutyrate and Other impurities. 

The deadline for reporting results is set on 16 February 2024. 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





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