
Rare-earth metals and their oxides--Determination of thorium content--Arsenazo IIIspectrophotometric method
NORMA vydaná dňa 1.1.1990
Designation standards: GB/T 12690.15-1990
Note: NEPLATNÁ
Publication date standards: 1.1.1990
Country: Chinese technical standard
Kategória: Technické normy GB