ISO 9681:1990Published

Manganese ores and concentrates — Determination of iron content — Flame atomic absorption spectrometric method

Minerais et concentrés de manganèse — Dosage du fer — Méthode par spectrométrie d'absorption atomique dans la flamme

A new edition is under development: ISO 9681.

Abstract / 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

Replaced by

ISO 9681Under developmentManganese ores and concentrates — Determination of iron content — Flame atomic absorption spectrometric methodInternational Standard · ISO/TC 132