Sodium tripolyphosphate for industrial use—-Determination of iron content—-2,2""-bipyridyl spectrophotometric method
NORM herausgegeben am 15.3.2004
Designation standards: GB/T 9984.6-2004
Note: UNGÜLTIG
Publication date standards: 15.3.2004
Country: Chinese technical standard
Kategorie: Technische Normen GB