Projects

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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 256/WG 2

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Document number	Begin	Title	Comment
ISO/WD 23157-2	2025-10-03	Determination of the silanol group content on the surface of fumed silica - Part 2: Thermogravimetric analysis method More	Comment
DIN EN ISO 20427	2024-11-08	Pigments and extenders - Dispersion procedure for sedimentation-based particle sizing of suspended pigment or extender with liquid sedimentation methods (ISO 20427:2026); German version EN ISO 20427:2026 More	Comment

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Projects of ISO/TC 256/WG 2

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