1-苯基-3-甲基-4-(α呋喃甲酰基)-5-吡唑酮与含氮中性萃取剂对镧(Ⅲ)的协同萃取

SYNERGISTIC EXTRACTION OF La(III) WITH 1-PHENYL-3-METHYL-4-(α FUROYL)-5-PYRAZOLONE AND NEUTRAL NITROGENOUS BIDENTATE EXTRACTANTS

研究了１苯基３甲基４（α呋喃甲酰基）５吡唑酮（ＨＰＭＥＰ，ＨＡ）与含氮中性萃取剂（Ｂ），如１，１０菲罗啉、２，９二甲基４，７二苯基１，１０菲罗啉、５硝基１，１０菲罗啉、２，２’联吡啶和４，４’联吡啶，对镧的协同萃取行为．确定了协萃配合物组成为ＬａＡ３·Ｂ，求出了协同萃取平衡常数，制得了固态协萃配合物，并对其组成和性质进行了表征．

The synergistic extraction of La(III) with 1 phenyl 3 methyl 4 (α furoyl) 5 pyrazolone(HA) and neutral nitrogenous bidentate extractants(B), such as 1,10 phenanthroline (Phen), 2,9 dimethyl 4,7 diphenyl phenanthroline (DDPhen), 5 nitro phenanthroline (NPhen), 2,2' bipyridyl (2,2' Bipy), 4,4' bipyriyl (4,4' Bipy), was invesitigated. The extracted species was shown to be LaA 3·B. The extraction constants were determined. The solid extraction complexes were prepared and the composition was characterized by elemetal analysis, IR,UV,TG and DTA.