STAS 12983-1991
Niobium and tantalum rocks and ores. Niobium and tantalum content determination

Standard No.
STAS 12983-1991
Release Date
1991
Published By
RO-ASRO
Latest
STAS 12983-1991
Scope
Prezentul standard stabile?te metoda fotnmctric? de determinare a con?inutului de niobiu ?i tantal din roci ?i minereuri. Metoda se aplic? pentru con?inuturi de niobiu ?i tantal de 0,01 ... 0,5 %.

STAS 12983-1991 history

  • 1991 STAS 12983-1991 Niobium and tantalum rocks and ores. Niobium and tantalum content determination



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