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

This standard was last reviewed and confirmed* in 2016.

*Therefore this version remains current


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.


  • Document published on: 1981-12-01
    Edition: 2 (Monolingual) ICS: 73.060.20
    Status: Published Stage: 90.93 (2016-02-23)
    TC/SC: ISO/TC 132 Number of Pages: 6
  • This standard has not been revised

  • No corrigenda or amendments available

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