20.20 Working draft (WD) study initiated Jun 2, 2022
ISO
ISO/TC 102/SC 2 Chemical analysis
International Standard
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.
PUBLISHED
ISO 4694:1987
IN_DEVELOPMENT
ISO/WD 4694
20.20
Working draft (WD) study initiated
Jun 2, 2022