ISO 4694:1987

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

Publication date: Apr 9, 1987

General information

Current stage: 90.92 Effective date: Jun 2, 2022

Originator: ISO

Owner: ISO/TC 102/SC 2

Type: International Standard

ICS: 73.060.10

Languages: French English

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Status: Published

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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.

Life cycle

NOW

PUBLISHED
ISO 4694:1987
90.92 Standard to be revised
Jun 2, 2022

REVISED BY

IN_DEVELOPMENT
ISO/WD 4694

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