Under publication
ISO 9681
Manganese ores and concentrates — Determination of iron content — Flame atomic absorption spectrometric method
Reference number
ISO 9681
Edition 2
2026-11
Under publication
ISO 9681
89586
Under publication (Edition 2, 2026)
Final production steps (up to seven weeks).
Will replace ISO 9681:1990

Abstract

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.

General information

  •  : Under development
     : 2026-11
    : International Standard under publication [60.00]
  •  : 2
  • ISO/TC 132
    73.060.20 
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