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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]

ISO 2992
Ammonium sulphate for industrial use; Determination of iron content; 2,2'- Bipyridyl photometric method

Title (German)

Ammonsulfat für Industriezwecke; Eisenbestimmung; photometrische 2,2′-Dipyridylmethode

Responsible national committee

NA 054-03-03-01 AK - Physical and chemical recycling technologies

Responsible international committee

ISO/TC 47 - Chemistry

Edition 1974-04

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

ISO 2992 Ammonium sulphate for industrial use; Determination of iron content; 2,2'- Bipyridyl photometric method

Responsible national committee

Responsible international committee

Stefanie Bierwirth

Want to learn more?

ISO 2992
Ammonium sulphate for industrial use; Determination of iron content; 2,2'- Bipyridyl photometric method