Ngemuva kokukhishwa kwe-ultrasonic kanye nokuhlukaniswa kwe-centrifuge kanye nemvula, amasampula ensimbi yensimbi ahlungwa ngekholomu ye-IC-RP, ikholomu ye-IC-Na kanye ne-0.22 um microporous filtration membrane ngokulandelanayo.Kusetshenziswa i-CIC-D120 ion chromatograph, ikholomu ye-anion ye-SH-AC-3, 3.6 mM Na2CO3+4.5 mM Na...
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