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

Publication date: Jul 21, 2008

General information

Current stage: 90.93 Effective date: Jun 8, 2017

Originator: ISO

Owner: ISO/TC 33

Type: International Standard

ICS: 81.080

Languages: English French

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Status: Published

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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
90.93 Standard confirmed
Jun 8, 2017

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