ISO 21068-2:2008Withdrawn

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

Analyse chimique des matières premières et des produits réfractaires contenant du carbure de silicium — Partie 2: Détermination de la perte au feu, du carbone total, du carbone libre et du carbure de silicium, de la silice totale et libre, et du silicium total et libre

This edition has been replaced by ISO 21068-2:2024.

Abstract / scope

ISO 21068-2:2008 specifies analytical techniques for the determination of change in mass by thermal treatment at specified temperatures, and methods for the determination of the total carbon content, free carbon, silicon carbide, silicon, total silica and free silica content of silicon-carbide-containing raw materials and refractory products.

Life cycle

Replaced by

ISO 21068-2:2024PublishedChemical 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 silicaInternational Standard · Published 10 Jun 2024 · ISO/TC 33