
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Determination of iron content—Kalium thiocyanate,1,10-phenanthroline spectrophotometric method
NORMA vydána dne 18.11.2003
Designation standards: GB/T 12690.6-2003
Note: NEPLATNÁ
Publication date standards: 18.11.2003
Country: Chinese technical standard
Kategorie: Technické normy GB