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ISO/TS 4689-1:2023

Iron ores — Determination of sulfur content — Part 1: Barium sulfate gravimetric method ISO/TS 4689-1:2023

Publication date:   Mar 14, 2023

General information

90.60   Close of review   Jun 5, 2026

ISO

ISO/TC 102/SC 2 Chemical analysis

Technical Specification

73.060.10   Iron ores

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Scope

This document specifies a barium sulfate gravimetric method for the determination of the sulfur content of iron ores.
This method is applicable to a concentration range of a mass fraction of sulfur from 0,01 % to 3,9 % in natural iron ores, iron ore concentrates and agglomerates including sinter products.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4689:1986

NOW

PUBLISHED
ISO/TS 4689-1:2023
90.60 Close of review
Jun 5, 2026




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