Mushure mekugadzirwa kwe ultrasonic uye centrifuge kupatsanurwa uye kunaya kwemvura, iron ore samples yakasefa neIC-RP column, IC-Na column uye 0.22 um microporous filtration membrane zvichiteerana.Kushandisa CIC-D120 ion chromatograph, SH-AC-3 anion column, 3.6 mM Na2CO3+4.5 mM Na...
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