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ISO/DIS 4694

Iron ores — Determination of fluorine content — Ion-selective electrode method

General information

Current stage: 40.00 Effective date: 2 korr 2026

Originator: ISO

Owner: ISO/TC 102/SC 2

Type: International Standard

ICS: 73.060.10

Scope

The method ist applicable to a concentration range of 0,005 to 1,0 % (m/m) of fluorine in natural iron ores, and iron ore concentrates and agglomerates including sinter products. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results, and test report. ISO 4693 includes three annexes.

ISO/DIS 4694

Iron ores — Determination of fluorine content — Ion-selective electrode method

General information

Scope

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