STAS SR 13192 ADD 1-1995
硅铝质矿产高岭土,耐火粘土,班脱土荧光X线光谱测定法测定二氧化硅、三氧化二铝、三氧化二铁、氧化钙、氧化镁、二氧化钛、氧化钾
Silico-aluminous mining products Kaolin, refractary clay, bentonite Determination of SiO2, AI2O3, Fe2O3, CaO, MgO, TiO2, K2O by fluorescent X-rayx spectrometrical method