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ISO 320:1981

Manganese ores — Determination of sulphur content — Barium sulphate gravimetric methods and sulphur dioxide titrimetric method after combustion

Publication date:   Dec 1, 1981

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

Describes three methods: methods I and II are gravimetric methods which are applicable to maganese ores having sulphur contents greater than 0.01 % (m/m), and method III is a titrimetric method. Should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sample, procedure and expression of results. A figure illustrates the apparatus for determination of sulphur content in accordance with method III.

Life cycle

NOW

PUBLISHED
ISO 320:1981
90.93 Standard confirmed
Mar 25, 2022

REVISED BY

ABANDON
ISO/CD 320