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EN ISO 21068-3:2008

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2008) EN ISO 21068-3:2008

Publication date:   Nov 30, 2009

General information

60.60 Standard published   Aug 1, 2008

CEN

CEN/TC 187 Refractory products and materials

European Norm

81.080   Refractories

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Scope

ISO 21068-3:2008 specifies methods for the determination of total nitrogen and nitrogen calculated as silicon nitride, total oxygen, and free metallic and oxidic components in silicon carbide raw materials and refractory products.
It applies only to silicon carbide materials that are not bonded with nitrogen. Nitride-bonded silicon carbide refractories are covered in EN 12698-1.

Life cycle

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PUBLISHED
EN ISO 21068-3:2008
60.60 Standard published
Aug 1, 2008

REVISED BY

IN_DEVELOPMENT
FprEN ISO 21068-3