ISO 320:1981
Manganese ores; Determination of sulphur content; Barium sulphate gravimetric methods and sulphur dioxide titrimetric method after combustion

Standard No.

ISO 320:1981

Release Date

1981

Published By

International Organization for Standardization (ISO)

Latest

ISO 320:1981

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.

ISO 320:1981 history

• 1981 ISO 320:1981 Manganese ores; Determination of sulphur content; Barium sulphate gravimetric methods and sulphur dioxide titrimetric method after combustion
• 1975 ISO 320:1975 Title missing - Legacy paper document