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ISO 9681:1990

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

General information

Valid from 25.10.1990
Directives or regulations
None

Standard history

Status
Date
Type
Name
25.10.1990
Main
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.

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