
Manganese ores—Determination of manganese content—Potentiometric method and ammonium iron (II) sulphate titrimetric method
NORM herausgegeben am 11.9.2002
Designation standards: GB/T 1506-2002
Note: UNGÜLTIG
Publication date standards: 11.9.2002
Country: Chinese technical standard
Kategorie: Technische Normen GB