AOX 07/2022 - AOX in natural water and waste water


Proftest SYKE will organize interlaboratory comparison for the analysis of AOX in natural water and pulp and paper industry wastewater.

The purpose of this interlaboratory comparison is to ensure the comparability and accuracy of the results of the participants. About 5 laboratories are expected to participate in this interlaboratory comparison. This interlaboratory comparison will be executed only if there are at least 5 participants. The organizing of this interlaboratory comparison is included in the accreditation scope of Proftest SYKE.

Registration deadline is 6 July 2022.
Registration is done via the electronic client interface, ProftestWEB: If there are problems when using ProftestWEB or you need username and password, please contact

Sample delivery date is 30 August 2022

The final report for the interlaboratory comparison will be published in January 2023.


AOX 07-2022 Infoletter_en.pdf


Published 2022-06-20 at 14:17, updated 2022-06-20 at 12:42