Methods for chemical analysis of gallium--The 4-(2-pyridylazo)-resorcinol photometric method for the determination of lead content
NORMA vydaná dňa 30.4.1984
Designation standards: GB/T 4375.2-1984
Note: NEPLATNÁ
Publication date standards: 30.4.1984
Country: Chinese technical standard
Kategória: Technické normy GB