Finnish Environment Institute | Suomen ympäristökeskus | Finlands miljöcentral

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NW 02/2020 Natural water I


Proftest SYKE will organize a proficiency test for analysis of alkalinity, NNH4, NNO2+NO3, Ntot, PPO4, PPO4, dissolved, Ptot,  Ptot, dissolved, pH and conductivity in natural waters. In total, about 30 laboratories are expected to participate in this proficiency test.

 Sample delivery date is 11 February 2020.

The final report for the proficiency test will be published in June 2020.

The registration for the interlaboratory comparison via the electronic client interface, ProftestWEB (name is the link).

Within the pages, instructions are available. A short “Getting started” instructions are downloadable from the ProftestWEB front page.

Please contact if there are question about ProftestWEB. New clients are asked to contact to request a client profile.


NW 02-2020 Infoletter_en.pdf


Published 2019-12-12 at 10:01, updated 2019-12-12 at 10:01