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ISO/PRF 9681

Manganese ores and concentrates — Determination of iron content — Flame atomic absorption spectrometric method ISO/PRF 9681

General information

50.00   Final text received or FDIS registered for formal approval   Aug 6, 2026

ISO

ISO/TC 132 Ferroalloys

International Standard

73.060.20   Manganese ores

Scope

The method is applicable to products having an iron content between 0,2 % (m/m) and 10 % (m/m). ISO 9681 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sampling and samples, procedure, and expression of results.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 9681:1990

NOW

IN_DEVELOPMENT
ISO/PRF 9681
50.00 Final text received or FDIS registered for formal approval
Aug 6, 2026




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