Mgbe ultrasonic mmịpụta na centrifuge nkewa na mmiri ozuzo, ígwè ore samples e nzacha site IC-RP kọlụm, IC-Na kọlụm na 0.22 um microporous filtration akpụkpọ ahụ n'otu n'otu.Iji CIC-D120 ion chromatograph, SH-AC-3 anion kọlụm, 3.6 mM Na2CO3 + 4.5 mM NaHCO3 eluent na bipolar pulse conductance usoro, n'okpuru na-atụ aro chromatographic ọnọdụ, chromatogram bụ dị ka ndị a.
Oke nchọpụta nke F- na Cl- bụ 2.1 ug/g na 3.5 ug/g.Nweghachi nke F- na Cl- bụ 96%-104%.Enwere ike iji ya mee ihe maka nyocha nke ígwè ígwè eke, iron ore concentrate na ihe atụ ndị ọzọ.
Oge nzipu: Eprel-18-2023