Niobium pentoxide. Chemical-atomic-emission method for determination of impurity metals
NORMA vydána dne 1.7.1993
Designation standards: GOST R 50233.5-92
Publication date standards: 1.7.1993
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST