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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 4158
Ferrosilicon, ferrosilicomanganese and ferrosilicochromium; Determination of silicon content; Gravimetric method

Title (German)

Ferrosilicium, Ferrosilicomangan und Ferrosilicochrom; Bestimmung des Siliciumgehalts; gravimetrische Methode

Responsible national committee

NA 066-02-06 AA - Methods of analysis

Responsible international committee

ISO/TC 132 - Ferroalloys

Edition 1978-12

Original language English

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Jörg Graßmann

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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 4158 Ferrosilicon, ferrosilicomanganese and ferrosilicochromium; Determination of silicon content; Gravimetric method

Responsible national committee

Responsible international committee

Jörg Graßmann

Want to learn more?

ISO 4158
Ferrosilicon, ferrosilicomanganese and ferrosilicochromium; Determination of silicon content; Gravimetric method