Chemical analysis methods for mixed rare earth oxide of ion-absorpted type RE ore—Determination of aluminum oxide content—EDTA titrimetric method
NORM herausgegeben am 19.11.2002
Designation standards: GB/T 18882.5-2002
Note: UNGÜLTIG
Publication date standards: 19.11.2002
Country: Chinese technical standard
Kategorie: Technische Normen GB