
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 12: Determination of thorium and uranium contents—Inductively coupled plasma mass spectrum method
NORM herausgegeben am 25.4.2024
Designation standards: GB/T 12690.12-2024
Publication date standards: 25.4.2024
Country: Chinese technical standard
Kategorie: Technische Normen GB