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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 281/WG 2

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Document number	Begin	Title	Comment
ISO/AWI 24218-2	2026-09-28	Fine bubble technology - Characterization of fine bubbles - Part 2: Evaluation of size and concentration by multi-wavelength light extinction method More	Comment
ISO/CD 26104-1	2026-09-25	Fine bubble technology - Bubble stability evaluation - Part 1: B-mode ultrasound imaging More	Comment
ISO 24261-1	2026-05-27	Fine bubble technology - Elimination method for sample characterization - Part 1: Evaluation procedure More	Comment
ISO/FDIS 21910-1	2025-07-24	Fine bubble technology - Characterization of microbubbles - Part 1: Off-line evaluation of size and size index More	Comment
ISO/FDIS 20018-1	2024-02-02	Fine bubble technology - Characterization of ultrafine bubbles - Part 1: Data correction to exclude particulate contaminants for evaluating size and concentration indices More	Comment

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