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ISO 7953:1985

Manganese ores and concentrates — Determination of calcium and magnesium contents — Flame atomic absorption spectrometric method

Publication date:   Dec 12, 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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Scope

The method is applicable to products having calcium contents from 0,01 to 15 % (m/m) and magnesium contents from 0,01 to 4 % (m/m). ISO 7953 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sampling and samples, procedure and expression of results.

Life cycle

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PUBLISHED
ISO 7953:1985
90.93 Standard confirmed
Mar 25, 2022