Extraction of americium, curium, and californium with LN resin from HCl and HNO3

被引：1

作者：

Kmak, Kelly N. ^{[1
]}

Despotopulos, John D. ^{[1
]}

Ahrens, Nicole ^{[1
,2
]}

Hoffman, Derek R. ^{[1
]}

Kerlin, William M. ^{[1
]}

机构：

[1] Lawrence Livermore Natl Lab, Nucl & Chem Sci Div, Livermore, CA 94550 USA

[2] Colorado State Univ, Environm & Radiol Hlth Sci, Ft Collins, CO USA

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2025年 / 334卷 / 01期

关键词：

Extraction chromatography; Americium; Curium; Californium; SOLVENT-EXTRACTION; CHROMATOGRAPHY; SEPARATION; URANIUM; BERKELIUM; ACTINIDE; ELEMENTS; COLUMNS; ACID;

D O I：

10.1007/s10967-024-09799-7

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The uptake of Am-241, Cm-244 and Cf-249 with LN resin was studied in HCl and HNO3 solutions with concentrations ranging from 0.02 to 2.5 M. There is high uptake at concentrations < 0.1 M in both acids for all three isotopes with decreasing uptake at higher concentrations and negligible extraction at >= 0.6 M. Californium has a higher extraction than americium and curium, which are extremely similar. Kinetics studies showed rapid uptake of all three isotopes. Column studies were performed to demonstrate the separation of Am-241 and Cf-249, and a bulk separation including nine stable lanthanides along with Am-241, Cf-249, and Y-88.

引用

页码：575 / 582

页数：8

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