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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

SN EN ISO 23157
Determination of the silanol group content on the surface of fumed silica - Reaction gas chromatographic method (ISO 23157:2021)

Title (German)

Bestimmung des Gehaltes an Silanolgruppen auf der Oberfläche von pyrogener Kieselsäure - Gaschromatographisches Verfahren (ISO 23157:2021)

Edition 2022-10

Original language English

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

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

SN EN ISO 23157 Determination of the silanol group content on the surface of fumed silica - Reaction gas chromatographic method (ISO 23157:2021)

Want to learn more?

SN EN ISO 23157
Determination of the silanol group content on the surface of fumed silica - Reaction gas chromatographic method (ISO 23157:2021)