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ISO 10258:1994

Withdrawn Date published:

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Copper sulfide concentrates — Determination of copper content — Titrimetric methods

Specifies two titrimetric methods for the determination of the copper content of copper sulfide concentrates in the range 15 % (m/m) to 50 % (m/m), titrating free iodine isolated by reaction between iodide ions and copper(II) ions with sodium thiosulfate using soluble starch as the indicator after separation (method 1) or without separation (method 2) of copper from interfering elements.

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Related Information

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  • BS ISO 10251:2006

    Copper, lead, zinc and nickel concentrates. Determination of mass loss of bulk material on drying

  • BS ISO 10258:2018

    Copper sulfide concentrates. Determination of copper content. Titrimetric methods

  • BS ISO 10378:2016

    Copper, lead and zinc sulfide concentrates. Determination of gold and silver. Fire assay gravimetric and flame atomic absorption spectrometric method

  • BS ISO 10469:2006

    Copper sulfide concentrates. Determination of copper. Electrogravimetric method

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ISO 10258:1994

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