Methods for chemical analysis of tungsten ores and molybdenum ores—Determination of silver content—Flame atomic absorption spectrometric method after metyl iso-butyl ketone extraction
NORM herausgegeben am 12.5.1993
Designation standards: GB/T 14352.12-1993
Note: UNGÜLTIG
Publication date standards: 12.5.1993
Country: Chinese technical standard
Kategorie: Technische Normen GB