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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
21 korr 2008
95.99 Withdrawal of Standard   10 qer 2024

General information

95.99     10 qer 2024

ISO

ISO/TC 33

International Standard

81.080  

anglisht   frëngjisht  

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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WITHDRAWN
ISO 21068-3:2008
95.99 Withdrawal of Standard
10 qer 2024

REVISED BY

PUBLISHED
ISO 21068-3:2024