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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]

NF B49-420
Chemical analysis of refractories. Silica materials. Determination of silicon (rapid method by hydrofluoric volatilisation)

Title (German)

CHEMISCHE ANALYSE DER FEUERFESTEN ERZEUGNISSE. WERKSTOFFE AUS SILIZIUM. DOSIERUNG DES SILIZIUMS (RASCHE METHODE DURCH FLUORWASSERSTOFFVERDUNSTUNG)

Edition 1970-02-01

Original language French

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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

NF B49-420 Chemical analysis of refractories. Silica materials. Determination of silicon (rapid method by hydrofluoric volatilisation)

Want to learn more?

NF B49-420
Chemical analysis of refractories. Silica materials. Determination of silicon (rapid method by hydrofluoric volatilisation)