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Iron ore

2019-03-07 08:001367

    After ultrasonic extraction and centrifuge separation and precipitation, iron ore samples were filtered by IC-RP column, IC-Na column and 0.22 um microporous filtration membrane respectively. Using CIC-D120 ion chromatograph, SH-AC-3 anion column, 3.6 mM Na2CO3+4.5 mM NaHCO eluent and  bipolar pulse conductance method,under the recommended chromatographic conditions,the chromatogram is as follows.

铁矿石.jpg


    The detection limits of F- and Cl-  are 2.1 ug/g and 3.5 ug/g. The recoveries of F- and Cl-  are 96%-104%. It can be used for the analysis of natural iron ore, iron ore concentrate and other samples.


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