
Lanthanum oxide--Determination of cerium oxide, praseodymium oxide, nedeodynium oxide, samarium oxide and yttrium oxide--Induetively coupled plasma atomic emission spectrographic method
STANDARD published on 1.1.1990
Designation standards: GB/T 12690.1-1990
Note: WITHDRAWN
Publication date standards: 1.1.1990
Country: Chinese technical standard
Category: Technical standards GB