EN ISO 21068-2:2024
原材料和含碳化硅、碳化硅氮化物、氧化氮化硅和sic alumina（sic-Al）制品的化學分析 第2部分：揮發(fā)分、總碳、游離碳、碳化硅、總硅和游離硅的測定
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