
Higher purity copper cathode—Determination of phosphorus content—Heteropoly phosphato-vanadato-molybdicacid-crystal violet spectrophotometric method
NORM herausgegeben am 14.12.1991
Designation standards: GB/T 13293.6-1991
Note: UNGÜLTIG
Publication date standards: 14.12.1991
Country: Chinese technical standard
Kategorie: Technische Normen GB