Methods for chemical analysis of gallium--The 47-diphenyl-110-phenanthroline photometric method for the determination of iron content
NORM herausgegeben am 30.4.1984
Designation standards: GB/T 4375.4-1984
Note: UNGÜLTIG
Publication date standards: 30.4.1984
Country: Chinese technical standard
Kategorie: Technische Normen GB