Tom qab ultrasonic extraction thiab centrifuge sib cais thiab nag lossis daus, hlau ore kuaj tau lim los ntawm IC-RP kem, IC-Na kem thiab 0.22 um microporous filtration membrane feem.Siv CIC-D120 ion chromatograph, SH-AC-3 anion kem, 3.6 mM Na2CO3 + 4.5 mM Na...
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