Methods for chemical analysis of tungsten--The glyoxal bis (2-hydroxyanil) photometric method for the determination of calcium content
NORMA vydaná dňa 12.4.1984
Designation standards: GB/T 4324.13-1984
Note: NEPLATNÁ
Publication date standards: 12.4.1984
Country: Chinese technical standard
Kategória: Technické normy GB