
Methods for chemical analysis of iron ores The pyrocatechol violet-cetyl trimethylamine bromide photometric method for the determination of tin content
NORMA vydaná dňa 19.8.1986
Designation standards: GB/T 6730.34-1986
Note: NEPLATNÁ
Publication date standards: 19.8.1986
Country: Chinese technical standard
Kategória: Technické normy GB