ISO/TS 4689-1:2023

Iron ores — Determination of sulfur content — Part 1: Barium sulfate gravimetric method

Publication date: Mar 14, 2023

General information

Current stage: 90.20 Effective date: Jan 15, 2026

Originator: ISO

Owner: ISO/TC 102/SC 2

Type: Technical Specification

ICS: 73.060.10

Languages: English

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Status: Published

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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WITHDRAWN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
90.20 Standard under periodical review
Jan 15, 2026

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