
Higher purity copper cathode—Determination of antimony content-2-[(-5-bromo-2-pyridyl)azo]-5-diethylaminophenol spectrophotometric method
NORM herausgegeben am 14.12.1991
Designation standards: GB/T 13293.4-1991
Note: UNGÜLTIG
Publication date standards: 14.12.1991
Country: Chinese technical standard
Kategorie: Technische Normen GB