Abstract

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 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.

Begin

2021-11-15

WI

00187150

Planned document number

DIN EN ISO 21068-2

Project number

06236251

Responsible national committee

NA 062-02-66 AA - Chemical analysis of ceramic and glass materials  

Responsible european committee

CEN/TC 187/WG 4 - Chemical analysis  

Responsible international committee

ISO/TC 33/WG 17 - Chemical analysis  

draft standard

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/DIS 21068-2:2023); German and English version prEN ISO 21068-2:2023
2023-07
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previous edition(s)

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon (ISO 21068-2:2008); German version EN ISO 21068-2:2008
2008-12

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