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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 ISO/TC 147/SC 2

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Document number	Begin	Title	Comment
DIN EN ISO 5663 rev	2025-03-28	Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium More	Comment
ISO/AWI 5663	2025-03-14	Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with a metal catalyst More	Comment
DIN EN ISO 13646	2023-08-12	Water quality - Determination of selected estrogens in whole water samples - Method using solid phase extraction (SPE) followed by liquid chromatography (LC) or gas chromatography (GC) coupled to mass spectrometry (MS) detection (ISO 13646:2025); German version EN ISO 13646:2025 More	Comment
DIN EN ISO 22032	2023-05-11	Water quality – Determination of polybrominated diphenyl ethers (PBDE) in sediment, suspended particulate matter and biota – Method using gas chromatography coupled with tandem mass spectrometry (GC-MS/MS) or with high resolution mass spectrometry (GC-HRMS) (ISO 22032:2026); German version EN ISO 22032:2026 More	Comment

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