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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)

Publication date:   Nov 30, 2009

General information

99.60 Withdrawal effective   Jun 19, 2024

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

NOW

WITHDRAWN
EN ISO 21068-3:2008
99.60 Withdrawal effective
Jun 19, 2024

REVISED BY

PUBLISHED
EN ISO 21068-3:2024