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
STANDARD published on 25.2.1988
Designation standards: GB/T 8762.7-1988
Note: WITHDRAWN
Publication date standards: 25.2.1988
Country: Chinese technical standard
Category: Technical standards GB