ISO 4689:1986 Preview
Iron ores -- Determination of sulfur content -- Barium sulfate gravimetric method
This standard was last reviewed and confirmed in 2009. Therefore this version remains current.
The method is applicable to a concentration range of 0,01 bis 1,0 % (m/m) of sulfur 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 4689 includes three annexes.
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