
Europium oxide of phosphor grade—Determination of cerium oxide, praseodymium oxide, samarium oxide, gadolinium oxide and dysprosium oxide contents—Spectrochemical method and direct spectrographic method
NORM herausgegeben am 25.2.1988
Designation standards: GB/T 8762.7-1988
Note: UNGÜLTIG
Publication date standards: 25.2.1988
Country: Chinese technical standard
Kategorie: Technische Normen GB