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ISO 2597-2:2019

Iron ores — Determination of total iron content — Part 2: Titrimetric methods after titanium(III) chloride reduction

Apr 3, 2019

General information

90.93     Mar 3, 2025

ISO

ISO/TC 102/SC 2

International Standard

73.060.10  

English  

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Scope

This document specifies two titrimetric methods, free from mercury pollution, for the determination of total iron content in iron ores, using potassium dichromate as titrant after reduction of the iron(III) by tin(II) chloride and titanium(III) chloride. The excess reductant is then oxidized by either dilute potassium dichromate (Method 1) or perchloric acid (Method 2).
Both methods are applicable to a concentration range of 30 % mass fraction to 72 % mass fraction of iron in natural iron ores, iron ore concentrates and agglomerates, including sinter products.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 2597-2:2015

NOW

PUBLISHED
ISO 2597-2:2019
90.93 Standard confirmed
Mar 3, 2025