Nto dej

Cov dej saum npoo av feem ntau yog huv si.Tom qab 30 feeb ntawm ntuj nag lossis daus, noj qhov tsis yog nag lossis daus ntawm txheej sab saud rau kev tshuaj xyuas.Yog tias muaj ntau cov tshuaj raug tshem tawm hauv cov qauv dej lossis cov xim tsaus dua, pretreat nws los ntawm centrifugation, pom lossis chav distillation.Siv CIC-D120 ion chromatograph, SH-AC-3 anion kem, 3.6 mM Na2CO3 + 4.5 mM NaHCO3 eluent thiab bipolar pulse conductance txoj kev, raws li kev pom zoo chromatographic tej yam kev mob, chromatogram yog raws li nram no.