GB/T 3045-2003 in English

《GB/T 3045-2003普通磨料 碳化硅化学分析方法》由TC139（全国磨料磨具标准化技术委员会）归口，主管部门为中国机械工业联合会。
本标准规定了碳化硅磨料及结晶块中二氧化硅、游离硅、游离碳、总碳、碳化硅、三氧化二铁、三氧化二铝、氧化钙、氧化镁的测定方法。本标准适用于碳化硅磨料及碳化硅含量不小于95％的结晶块的化学成分测定。

Scope

This standard specifies the determination methods for silicon dioxide, free silicon, free carbon, total carbon, silicon carbide, ferric oxide, aluminum oxide, calcium oxide, and magnesium oxide in silicon carbide abrasives and crystal blocks. This standard applies to the determination of the chemical composition of silicon carbide abrasives and crystal blocks with a silicon carbide content of not less than 95%.