GB/T 14352.15-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of germanium content. Distillation separation-phenyl fluorone cetyltrimethyl-ammonium bromide phtometric method (English Version)
This standard specifies the determination method for germanium content in tungsten ore and molybdenum ore. This standard is applicable to the determination of germanium content in tungsten ore and molybdenum ore, and the determination range is 1-200μg/g.
GB/T 14352.15-1993 history
2010GB/T 14352.15-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 15:Determination of germanium content
1993GB/T 14352.15-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of germanium content. Distillation separation-phenyl fluorone cetyltrimethyl-ammonium bromide phtometric method