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ISO 5890:1981

Manganese ores and concentrates — Determination of silicon content — Gravimetric method

Publication date:   May 1, 1981

General information

90.93 Standard confirmed   Mar 25, 2022

ISO

ISO/TC 132 Ferroalloys

International Standard

73.060.20   Manganese ores

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Scope

The method is applicable to products having a silicon content greater than 0,5 % (m/m) and a fluorine content not more than 0,1 % (m/m). Should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, procedure and expression of results.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/R 311:1963

NOW

PUBLISHED
ISO 5890:1981
90.93 Standard confirmed
Mar 25, 2022