Draft
International Standard
ISO/DIS 4691
Iron ores — Determination of titanium — Diantipyrylmethane spectrophotometric method
Reference number
ISO/DIS 4691
Edition 3
© ISO 2026
Draft International Standard

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Under development
This Draft International Standard is in the enquiry phase with ISO members.
Will replace ISO 4691:2009

ISO/DIS 4691

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CHF 67
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Abstract

ISO 4691:2009 specifies a spectrophotometric method using diantipyrylmethane for the determination of the mass fraction of titanium in iron ores.

ISO 4691:2009 is applicable to a mass-fraction range of 0,02 % to 4,0 % of titanium in natural iron ores, and iron ore concentrates and agglomerates including sinter products.

General information

  • Status
     : Under development

    You can help develop this draft international standard by contacting your national member

    Stage
    : DIS ballot initiated: 12 weeks [40.20]
  • Edition
     : 3
    Number of pages
     : 12
  • Technical Committee :
    ISO/TC 102/SC 2
    ICS :
    73.060.10 
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7
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8
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11
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