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ISO/CD 9683-1

Iron ores — Determination of vanadium — Part 1: BPHA spectrophotometric method

General information

Current stage: 30.99 Effective date: Oct 8, 2025

Originator: ISO

Owner: ISO/TC 102/SC 2

Type: International Standard

Scope

ISO 9683-1:2006 specifies a spectrophotometric method using N-benzoyl-phenylhydroxylamine (BPHA) for the determination of the mass fraction of vanadium in iron ores.
This method is applicable to mass fractions of vanadium between 0,005 and 0,5 % in natural iron ores, iron ore concentrates and agglomerates, including sinter products.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 9683-1:2006

NOW

IN_DEVELOPMENT
ISO/CD 9683-1
30.99 CD approved for registration as DIS
Oct 8, 2025