Methods for chemical analysis of iron ores The n-butyl acetate extraction-molybdenum blue photometric method for the determination of phosphorus content
NORMA vydaná dňa 19.8.1986
Designation standards: GB/T 6730.18-1986
Note: NEPLATNÁ
Publication date standards: 19.8.1986
Country: Chinese technical standard
Kategória: Technické normy GB