
Methods for chemical analysis of tungsten ores and molybdenum ores—Determination of cobalt content—Polarographic method in dimethylglyoxime-sulfosalicylic acid-ammonium hydroxide-ammonium chloride system
NORMA vydána dne 12.5.1993
Designation standards: GB/T 14352.7-1993
Note: NEPLATNÁ
Publication date standards: 12.5.1993
Country: Chinese technical standard
Kategorie: Technické normy GB