... cuuHI~UliNGTANGCLJONGCHIET CUA CACNGUYENTOBATHIEMNH~ (La, Nd, Sm, Eu) BANGHON HQP TRIPHENYLPHOTPHIN OXIT (TPPO) vA AXIT 2-ETYL HEXYL 2-ETYL HEXYL PHOTPHONIC (PC88A) TIl DUNG D!CH AXIT NITRICDe"rcasoan29-8-2007LutJMINI!DAI,DAoNGQCNHIEM,PHAMNGQCCHUCVi{1lKhoa ... cacNTDHnhomnhe (La, Nd, Sm, Eu) banghonhap triphenylphotphin oxit (TPPO) va axil 2-etyl hexyl 2-etyl hexyl photphonic (PC88A) ttr dung dich axit nitric.II-THVCNGHltlMHoa chat- Cac dung dichmuoi ... nitriccanbangdenhieuungtangcUimg chietcuaheTPPO+PC88A201 ...