GB/T 14352.15-1993
钨矿石、钼矿石化学分析方法 蒸馏分离,溴化十六烷基三甲胺-苯芴酮光度法测定锗量
Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of germanium content. Distillation separation-phenyl fluorone cetyltrimethyl-ammonium bromide phtometric method
GBT14352.15-1993, GB14352.15-1993