
Methods for chemical analysis of iron ores The pyrocatechol violet-cetyl trimethylamine bromide photometric method for the determination of tin content
NORM herausgegeben am 19.8.1986
Designation standards: GB/T 6730.34-1986
Note: UNGÜLTIG
Publication date standards: 19.8.1986
Country: Chinese technical standard
Kategorie: Technische Normen GB