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2020 Proficiency Test (PT) on Ethanol (Food / Neutral grade) 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 iis20C12 here: the letter of instructions and the report form here


Summary of this proficiency test:


On 11 November the proficiency test on Ethanol (Food & Neutral grade) started with 26 participants from 16 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: Appearance, Density at 20°C, Nonvolatile Matter, Permanganate Time test at 20°C, pHe, Strength, Water, UV Absorbance, Purity, Methanol, Acetal, Acetaldehyde, Acetone, Benzene, Isopropanol, Monothylene Glycol and Other/Total Impurities. 


The deadline for reporting results is set on 18 December 2020. 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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