STAS SR ISO 7990:1996
Manganese ores and concentrates — Determination of total iron content - Titrirnetiic method after reriuction and sulfosalicylic acid spectrofotometric rnpthod

Standard No.

STAS SR ISO 7990:1996

Release Date

1996

Published By

RO-ASRO

Latest

STAS SR ISO 7990:1996

Scope

Prezentul Standard Interna?ional stabile?te dou? metode pentru determinarea fierului total din minereuri ?i concentrate de mangan. metoda A: metod? volumetrica dup? reducere, aplicabil? la produse al c?ror con?inut de fier total variaz? Intre 1% ?i 25% (m

STAS SR ISO 7990:1996 history

• 1996 STAS SR ISO 7990:1996 Manganese ores and concentrates — Determination of total iron content - Titrirnetiic method after reriuction and sulfosalicylic acid spectrofotometric rnpthod