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

Standard No.

ISO 4694:1987

Release Date

1987

Published By

International Organization for Standardization (ISO)

Latest

ISO 4694:1987

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 4694:1987 history

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