
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of phosphorus content by molybdenum blue spectrophotometric method
NORMA vydaná dňa 18.11.2003
Designation standards: GB/T 12690.10-2003
Publication date standards: 18.11.2003
Country: Chinese technical standard
Kategória: Technické normy GB