
Methods for chemical analysis of ironsteel and alloy--The anion-exchange separation-bromopyrogallol red photometric method for the determination of tantalumcontent
NORMA vydaná dňa 18.7.1985
Designation standards: GB/T 223.42-1985
Publication date standards: 18.7.1985
Country: Chinese technical standard
Kategória: Technické normy GB