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FprEN ISO 21068-2

Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free and surface silica (ISO/FDIS 21068-2:2024) FprEN ISO 21068-2

Publication date:   Jun 1, 2023

General information

50.60 Close of voting. Proof returned by secretariat   Apr 23, 2024

CEN

CEN/TC 187 Refractory products and materials

European Norm

81.080   Refractories

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Scope

This part of ISO 21068 specifies analytical techniques for the determination of volatile components by thermal treatment at specified temperatures, and methods for the determination of the total carbon content, free carbon, silicon carbide, total and free silicon and free and surface silica content of silicon carbide, silicon nitride, silicon oxynitride and sialon containing raw materials and refractory products.

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PUBLISHED
EN ISO 21068-2:2008

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IN_DEVELOPMENT
FprEN ISO 21068-2
50.60 Close of voting. Proof returned by secretariat
Apr 23, 2024