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This document gives definitions and specifies techniques for the preparation of samples for the chemical analysis of silicon-carbide-containing raw materials and refractory products. The responsible national standardization committee is Working Committee NA 062-02-66 AA "Chemische Analyse von Keramik- und Glaswerkstoffen" "Chemical analysis of ceramic and glass materials" at DIN Standards Committee Materials Testing (NMP).
This document replaces DIN EN ISO 21068-1:2008-12 .