Methods for chemical analysis of lead ingots--The bis-acetaldehyde-oxalyl dihydrazone photometric method for the determination of copper content
NORM herausgegeben am 1.1.1984
Designation standards: GB/T 472.1-1984
Note: UNGÜLTIG
Publication date standards: 1.1.1984
Country: Chinese technical standard
Kategorie: Technische Normen GB