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ISO
ISO 9681:1990

ISO 9681:1990

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

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General Information

Status : Active

Standard Type : Main

Document No : ISO 9681:1990

Document Year : 1990

Pages : 4

Edition : 1

Section Volume : Ferroalloys (ISO/TC 132.)

ICS : Manganese ores (73.060.20)

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.