
Methods for chemical analysis of tungsten concentrates—The semi-xylenol orange photometric method for the determination of bismuth content
NORM herausgegeben am 21.6.1985
Designation standards: GB/T 6150.17-1985
Note: UNGĂśLTIG
Publication date standards: 21.6.1985
Country: Chinese technical standard
Kategorie: Technische Normen GB