GB/T 3043-2000 in English

本标准规定了棕刚玉磨料及结晶块中灼减(或灼增)、二氧化硅、三氧化二铁、二氧化钛、氧化钙、氧化镁、二氧化锆和三氧化二铝的测定方法。本标准适用于棕刚玉磨料及结晶块化学成分的测定，不适用于因使用后而发生成分变化的产品。

Scope

This standard specifies the determination methods for ignition loss (or ignition gain), silicon dioxide, ferric oxide, titanium dioxide, calcium oxide, magnesium oxide, zirconia and aluminum oxide in brown corundum abrasives and crystal blocks. This standard applies to the determination of the chemical composition of brown corundum abrasives and crystal blocks, and does not apply to products whose composition changes after use.