Projects of NA 119-09-02-27 AK

Document number Begin Title Comment
ISO/CD 25906 2025-08-04 Water quality - Determination of total organic carbon (TOC) and dissolved organic carbon (DOC) by wet chemical heated persulfate oxidation, followed by colorimetric measurement More  Comment 
ISO/DIS 21027 2023-05-30 Water quality - Determination of total organic carbon in water samples containing suspended solids by combined ultrasonic and alkaline extraction pretreatment More  Comment 

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