ISO 4694:1987

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

Publication date: 9 pri 1987

General information

Current stage: 90.92 Effective date: 8 tet 2025

Originator: ISO

Owner: ISO/TC 102/SC 2

Type: International Standard

ICS: 73.060.10

Gjuha: frëngjisht anglisht

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Statusi: Publikuar

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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
8 tet 2025

REVISED BY

ABANDON
ISO/WD 4694

IN_DEVELOPMENT
ISO/CD 4694