Proficiency Test on ORGANOTIN in Textile started

The letter 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. The report form can be downloaded on this site when deadline has expired.

Download the instuctions for iis16A12 the  letter of instructions and the  report form.

Summary of this proficiency test:

On 16 November 2016 the proficiency test on ORGANOTIN in Textile started with 56 participants from 20 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.

Please confirm sample receipt as soon as you have received this package and checked the contents, via Please enter the date of receipt and press the save date" button.

The samples can be analyzed on: Monomethyltin (MMT), Dimethyltin (DMT), Trimethyltin (TMT), Tripropyltin (TPT), Monobutyltin (MBT), Dibutyltin (DBT), Tributyltin (TBT), Tetrabutyltin (TeBT), Monooctyltin (MOT), Dioctyltin (DOT), Trioctyltin (TOT), Diphenyltin (DPhT), Triphenyltin (TPhT) and Tricyclohexyltin (TCyHT).

The deadline for reporting results is set on 23 December 2016. 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.

The test results should be reported via our internet based results reporting platform. A login and a password can be requested via email to