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2023 Proficiency Test (PT) on Aniline in Leather/Footwear 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 iis23A03 here: the letter of instructions and the report form here



Summary of this proficiency test:


On 25 January 2023 the proficiency test on Aniline in Leather/Footwear started with 17 participants from 11 different countries. On that date, the samples were dispatched to the laboratories.

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: Aniline.


The deadline for reporting results is set on 3 March 2023. 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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