ISO/CD 9035

Iron ores — Determination of acid-soluble iron(II) content — Titrimetric method ISO/CD 9035

General information

30.99   CD approved for registration as DIS   Dec 3, 2025

ISO

ISO/TC 102/SC 2 Chemical analysis

International Standard

Scope

Is applicable to natural and processed iron ores containing from 1 % to 25 % acid-soluble iron(II) and only traces of metallic iron. Is limited for use in conjunction with the reducibility test methods. Is not applicable to ores containing more than 0,3 % (m/m) sulfur (as sulfide) and/or 5 % free carbon. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results and test report. Includes three annexes.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 9035:1989

NOW

IN_DEVELOPMENT
ISO/CD 9035
30.99 CD approved for registration as DIS
Dec 3, 2025




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