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ISO 4694:1987

Iron ores — Determination of fluorine content — Ion-selective electrode method ISO 4694:1987

Publication date:   Apr 9, 1987

General information

90.92 Standard to be revised   Jun 2, 2022

ISO

ISO/TC 102/SC 2 Chemical analysis

International Standard

73.060.10   Iron ores

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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