ISO 7335:1987

Iron ores — Determination of combined water content — Karl Fischer titrimetric method

Publication date: Dec 17, 1987

General information

Current stage: 90.93 Effective date: Jul 9, 2021

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

This method ist applicable to a concentration range of 0,05 to 10 % (m/m) of combined water in natural iron ores, and iron ore concentrates and agglomerates including sinter products. The term combined water means that part of the water content of an iron ore that can be removed only at temperatures substantially higher than 100 to 110 °C. Figures show the general arrangement of the test apparatus for the Karl Fischer measurement, the heating tube, and the absorption cell. Includes three annexes.

Life cycle

NOW

PUBLISHED
ISO 7335:1987
90.93 Standard confirmed
Jul 9, 2021

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