Test details
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WW 13/2026 - Wastewater analyses II
Proftest Syke will organise a proficiency test (PT) for the analysis of alkalinity, conductivity 25 °C, colour, NH4-N, NO2-N+NO3-N, Ntot, PO4-P, Ptot, and pH in wastewaters.
The purpose of this proficiency test is to ensure the comparability and accuracy of the results of the participants. About 50 laboratories are expected to participate in this proficiency test. The measurands and samples of this proficiency test are included in the Water chemistry scheme of the Proftest Syke accreditation scope(finas.fi/sites/en).
Registration deadline is on 23 October 2026.
Sample dispatch date is 24 November 2026.
The final report for the proficiency test will be published in March 2027.