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

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

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goals

7
Affordable and Clean Energy
8
Decent Work and Economic Growth
11
Sustainable Cities and Communities

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