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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Projects of NA 119-09-02-27 AK

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Document number	Begin	Title	Comment
DIN EN ISO 15705	2026-09-28	Water quality - Determination of the chemical oxygen demand index (ST-COD) - Small-scale sealed-tube method More	Comment
DIN EN ISO 25906	2026-07-23	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/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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