
Cerium oxide--Determination of lanthanum oxide, praseodymium oxide, neodymium oxide, samarium oxide and yttrium oxide contents--Spectrochemical method
NORM herausgegeben am 1.1.1990
Designation standards: GB/T 12690.4-1990
Note: UNGÜLTIG
Publication date standards: 1.1.1990
Country: Chinese technical standard
Kategorie: Technische Normen GB