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prSSH EN ISO 21068-2:2024

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 21068-2:2024)

General information

40.20     Feb 10, 2025

40.60    May 6, 2025

DPS

DPS/KT 67

European Norm

81.080  

Scope

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

Life cycle

PREVIOUSLY

PUBLISHED
SSH EN ISO 21068-2:2008

NOW

IN_DEVELOPMENT
prSSH EN ISO 21068-2:2024
40.20 DIS ballot initiated: 12 weeks
Feb 10, 2025

Related project

Adopted from EN ISO 21068-2:2024 IDENTICAL

Adopted from ISO 21068-2:2024 IDENTICAL

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