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Hydrogen Technologies Standards form the basic framework for market ramp-up
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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]

OENORM EN 451-1
Method of testing fly ash - Part 1: Determination of free calcium oxide content

Title (German)

Prüfverfahren für Flugasche - Teil 1: Bestimmung des freien Calciumoxidgehalts

Edition 2017-07-15

Original language German

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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

OENORM EN 451-1 Method of testing fly ash - Part 1: Determination of free calcium oxide content

Want to learn more?

OENORM EN 451-1
Method of testing fly ash - Part 1: Determination of free calcium oxide content