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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
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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

PUBLISH DATE 2024
ISO 21068-2:2024

This document specifies analytical techniques for the determination of volatile components by thermal treatment at specified temperatures.

It also includes methods for the determination of:

  • total carbon
  • free carbon
  • silicon carbide
  • total and free silicon
  • free and surface silica content

These determinations apply to silicon-carbide, silicon-nitride, and silicon-oxynitride containing raw materials and refractory products.

SDO ISO: International Organization for Standardization
Document Number ISO 21068
Publication Date Jan. 1, 2024
Language en - English
Page Count 46
Revision Level
Supercedes
Committee ISO/TC 33
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