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 Na ...
