Methods for chemical analysis of copper ores lead ores and zinc ores. determination of germanium content. phenylfluorone - cetyltrimethyl ammonium bromide photometric method after carbon tetrachloride extraction
銅礦石鉛礦石和鋅礦石化學分析方法四氯化碳萃取分離，溴化十六
烷基三甲胺-苯芴酮光度法測定
鍺量
Determination of germanium content - distillation separation - phenyl fluorone cetyltrimethyl - ammonium bromide phtometric method
十六
烷基三甲基溴化銨光度法測定
鍺量
Determination of trace germanium in arborescens by spectrophotometry with phenylfluorone - hexadecyl trimethylammonium bromide
十六烷基三甲基溴化銨分光光度法測定蘆薈中痕量鍺
