1,10-双(1′-苯基-3′-甲基-5′-氧代吡唑-4′-基)癸二酮-[1,10]与三苯基氧化膦对钐(Ⅲ)的协同萃取行为研究  

Study on Synergistic Extraction of Samarium (Ⅲ) with 1,10 Bis(1′ Phenyl 3′ Methyl 5′ Oxopyrazol 4′ yl) 1,10 Decanedione Triphenylphosphine Oxide

作　　者：谢新辉[1] 张天发[1] 张红[1] 刘松愈[1] 

机构地区：[1]云南大学化学系

出　　处：《分析试验室》1998年第4期85-87,共3页Chinese Journal of Analysis Laboratory

摘　　要：研究了１，１０－双（１′－苯基－３′－甲基－５′－氧代吡唑－４－基）癸二酮－［１，１０］（ＢＰＭＰＤＤ，Ｈ２Ａ）与三苯基氧化膦（ＴＰＰＯ，Ｂ）的氯仿溶液从硝酸介质中对Ｓｍ（Ⅲ）的协同萃取行为，计算了体系的酸性协萃系数ＲＡ和协萃系数Ｒ，用斜率法测得协萃合物的组成为ＳｍＡ·ＨＡ·Ｂ，计算了协萃平衡常数，用萃取法制得了固态协萃合物，并对其组成。n this paper,the synergistic extraction behavior of Sm(Ⅲ) from nitrate medium with 1,10 bis(1′ phenyl 3′ methyl 5′ oxopyrazol 4′ yl) 1,10 decanedione (BPMPDD,H 2A) and triphenylphosphine oxide (TPPO,B) in chloroform has been studied at 25±0 5℃.Method of constant molarity was used to study the synergistic effect.The acidic synergistic coefficient(R A) and synergistic coefficient(R) were calculated.By using slope analysis method,the composition of the synergistic extracting species has been shown to be SmA·HA·TPPO and its synergistic extraction equilibrium constant(lgK s.e )was calculated to be -2.74±0.06.The solid synergistic species was prepared with extraction method and its composition has been characterized by elemental analysis,IR,TG and DTA.

关 键 词：三苯基氧化膦 钐 协同萃取 萃取 BPMPDD 

分 类 号：O614.337[理学—无机化学]