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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:   Jul 21, 2008

General information

90.92 Standard to be revised   Jul 26, 2021

ISO

ISO/TC 33 Refractories

International Standard

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

PUBLISHED
ISO 21068-3:2008
90.92 Standard to be revised
Jul 26, 2021

REVISED BY

IN_DEVELOPMENT
ISO 21068-3