Methods for chemical analysis of aluminium oxide--The diphenyl carbazide photometric method for the determination of chromium sesquioxide content
NORM herausgegeben am 24.7.1986
Designation standards: GB/T 6609.8-1986
Note: UNGÜLTIG
Publication date standards: 24.7.1986
Country: Chinese technical standard
Kategorie: Technische Normen GB