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ISO 7969:1985

Manganese ores and concentrates — Determination of sodium and potassium contents — Flame atomic absorption spectrometric method ISO 7969:1985

Publication date:   Nov 7, 1985

General information

90.93 Standard confirmed   Mar 25, 2022

ISO

ISO/TC 132 Ferroalloys

International Standard

73.060.20   Manganese ores

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Published

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Scope

The method is applicable to products having sodium contents from 0,02 to 1,0 % (m/m), and potassium contents from 0,08 to 3,0 % (m/m). ISO 7969 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sampling, procedure and expression of results.

Life cycle

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PUBLISHED
ISO 7969:1985
90.93 Standard confirmed
Mar 25, 2022