GB/T 223.12-1991

Methodsfor chemical analysis of ironsteel and alloy--The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content

NORMA vydána dne 6.9.1991

The information about the standard:

Designation standards: GB/T 223.12-1991
Note: NEPLATNÁ
Publication date standards: 6.9.1991
Country: Chinese technical standard
Kategorie: Technické normy GB