
Methodsfor chemical analysis of ironsteel and alloy--The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content
NORM herausgegeben am 6.9.1991
Designation standards: GB/T 223.12-1991
Note: UNGÜLTIG
Publication date standards: 6.9.1991
Country: Chinese technical standard
Kategorie: Technische Normen GB