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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 B49-418
Chemical analysis of refractory materials (high). Silica materials, siliceous fireclay and fireclay materials. Determination of lithium, potassium and sodium (flame photometric method)

Title (German)

CHEMISCHE ANALYSE FEUERFESTER ERZEUGNISSE. SILIKAERZEUGNISSE,SAURE SCHAMOTTE-UND SCHAMOTTE-ERZEUGNISSE. BESTIMMUNG VON LITHIUM,KALIUM UND NATRIUM (FLAMMENPHOTOMETRISCHES VERFAHREN)

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 B49-418 Chemical analysis of refractory materials (high). Silica materials, siliceous fireclay and fireclay materials. Determination of lithium, potassium and sodium (flame photometric method)

Want to learn more?

NF B49-418
Chemical analysis of refractory materials (high). Silica materials, siliceous fireclay and fireclay materials. Determination of lithium, potassium and sodium (flame photometric method)