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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]

BS ISO 5990
Photography. Processing chemicals. Specifications for potassium sulfite, 650 g/l solution

Title (German)

Photographie. Chemikalien fuer die Photographie. Spezifikationen fuer den Reinheitsgrad von Kaliumsulfit, 650 g/l, waessrige Loesung

Edition 2002-05-21

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

BS ISO 5990 Photography. Processing chemicals. Specifications for potassium sulfite, 650 g/l solution

Want to learn more?

BS ISO 5990
Photography. Processing chemicals. Specifications for potassium sulfite, 650 g/l solution