Applicable to sulphur contents in the range 0.002 to 0.25% (m/m) in natural iron ores, and iron ore concentrates and agglomerates including sinter products.Cross References:BS 846BS 1792BS 5660:Part 1BS 5660:Part 2BS 5661BS 7020:Part 1ISO 5725ISO/TC 102/SC 2 N 427E