Methods for chemical analysis of tungsten ores and molybdenum ores—Determination of germanium content—Distillation separation-phenyl fluorone cetyltrimethyl-ammonium bromide phtometric method
NORM herausgegeben am 12.5.1993
Designation standards: GB/T 14352.15-1993
Note: UNGÜLTIG
Publication date standards: 12.5.1993
Country: Chinese technical standard
Kategorie: Technische Normen GB