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See Chinese contents: YS/T 1149.5-2016 YS/T 1149.5-2016: Methods for chemical analysis of zinc concentrate roasting--Part 5: Determination of iron content--Na2EDTA titrimetric method
This Part of YS/T 1149 specifies the method for the determination of iron content, in zinc concentrate roasting. This Part applies to the determination of iron content in zinc concentrate roasting, which has a tin content and lt; 0.40%. The measurement range is 2.00% ~ 20.00%.
