DHDECMP与酸性萃取剂HPMBP、HTTA对镅的协同萃取  

SYNERGISTIC EXTRACTION WITH DHDECMP AND ACIDIC EXTRACTANTS FOR AMERICIUM

作　　者：党海军[1] 赵焕珍[1] 陆兆达[1] 

机构地区：[1]西北核技术研究所

出　　处：《核化学与放射化学》1996年第4期218-222,共5页Journal of Nuclear and Radiochemistry

摘　　要：研究了ＤＨＤＥＣＭＰ－十氢萘－二甲苯在硝酸体系中对镅（Ⅲ）的萃取和酸性萃取剂ＨＰＭＢＰ及ＨＴＴＡ与ＤＨＤＥＣＭＰ对镅的协同萃取。结果表明，在ｐＨ＝１─３之间，浓度为０．３ｍｏｌ／１时，主要协同萃合物是Ａｍ（Ａ）＿２·ＮＯ＿３·ＨＡ·２ＤＨＤＥＣＭＰ（ＨＡ代表ＨＰＭＢＰ或ＨＴＴＡ）。ＤＨＤＥＣＭＰ与ＨＰＭＢＰ、ＨＴＴＡ协同萃取Ａｍ￣（３＋）的协萃系数分别为１０￣２─１０￣３和１０￣２─１０￣４。The extraction properties of Americium(Ⅲ)in the system of HNO_3using DHDECMP/de calin-xylene is studied.Acidic ligands HPMBP and HTTA are selected to study the synergistic extraction of Am￣(3+),The results show that the main extract form is Am(A)_2·NO_3·HA·2DHDECMP(HAstands for HPMBP or HTTA).The synergistic coeffients of DHDECMP with HPMBP and HTTA are 10￣2～10￣3 and 10￣2～10￣4 , respectively.

关 键 词：DHDECMP HPMBP HTTAS 镅 协同萃取 放射性废液 

分 类 号：TL941[核科学技术—辐射防护及环境保护]