EXTRACTION OF AMERICIUM AND LIGHT RARE EARTHS BY 2-ETHYL HEXYL PHOSPHONIC ACID 2-ETHYL HEXYL ESTER

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EXTRACTION OF AMERICIUM AND LIGHT RARE EARTHS BY 2-ETHYL HEXYL PHOSPHONIC ACID 2-ETHYL HEXYL ESTER

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- EXTRACTION OF AMERICIUM AND LIGHT RARE EARTHS BY 2-ETHYL HEXYL PHOSPHONIC ACID 2-ETHYL HEXYL ESTER
- EXTRACTION OF AMERICIUM AND LIGHT RARE EARTHS BY 2-ETHYL HEXYL PHOSPHONIC ACID 2-ETHYL HEXYL ESTER
- 核技术（英文版） 1995年6卷第3期
- 作者机构：
  
  1.Institute of Nuclear Energy Technology, Tsinghua University, Beijing 100084
- 作者简介：
  
  Zhu Yongjun (Graduate, chemistry, Tsinghua University, 1951) is a Professor of radiochemistry at the Institute of Nuclear Energy Technology (INET), Tsinghua University. His research interests are chemistry of the nuclear fuel cycle, chemical treatment of highly active waste, and solvent extraction chemistry of actinide elements.
  
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  Jiao Rongzhou(Under graduate degree, 1962, and graduate degree, 1966, engineering chemistry, Tsinghua University) is a research Professor of radiochemistry at INET. His major interests are the chemical treatment of hgihly active waste, and solvent extraction chemistry of actinide elements.
  
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- 基金信息：
  
  National Natural Science Foundation of China()
- DOI：中图分类号：
- 纸质出版日期：1995-08-01，
  
  收稿日期：1995-04-04，
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引用本文
焦荣洲. EXTRACTION OF AMERICIUM AND LIGHT RARE EARTHS BY 2-ETHYL HEXYL PHOSPHONIC ACID 2-ETHYL HEXYL ESTER[J]. 核技术（英文版）, 1995, 6(3):140-145.

Yongjun Zhu, Rongzhou Jiao. EXTRACTION OF AMERICIUM AND LIGHT RARE EARTHS BY 2-ETHYL HEXYL PHOSPHONIC ACID 2-ETHYL HEXYL ESTER[J]. Nuclear Science and Techniques, 1995, 6(3):140-145.
焦荣洲. EXTRACTION OF AMERICIUM AND LIGHT RARE EARTHS BY 2-ETHYL HEXYL PHOSPHONIC ACID 2-ETHYL HEXYL ESTER[J]. 核技术（英文版）, 1995, 6(3):140-145. DOI：

Yongjun Zhu, Rongzhou Jiao. EXTRACTION OF AMERICIUM AND LIGHT RARE EARTHS BY 2-ETHYL HEXYL PHOSPHONIC ACID 2-ETHYL HEXYL ESTER[J]. Nuclear Science and Techniques, 1995, 6(3):140-145. DOI：

EXTRACTION OF AMERICIUM AND LIGHT RARE EARTHS BY 2-ETHYL HEXYL PHOSPHONIC ACID 2-ETHYL HEXYL ESTER 1 first-author Zhu Yongjun (Graduate, chemistry, Tsinghua University, 1951) is a Professor of radiochemistry at the Institute of Nuclear Energy Technology (INET), Tsinghua University. His research interests are chemistry of the nuclear fuel cycle, chemical treatment of highly active waste, and solvent extraction chemistry of actinide elements. Zhu Yongjun (Graduate, chemistry, Tsinghua University, 1951) is a Professor of radiochemistry at the Institute of Nuclear Energy Technology (INET), Tsinghua University. His research interests are chemistry of the nuclear fuel cycle, chemical treatment of highly active waste, and solvent extraction chemistry of actinide elements. 1 Jiao Rongzhou(Under graduate degree, 1962, and graduate degree, 1966, engineering chemistry, Tsinghua University) is a research Professor of radiochemistry at INET. His major interests are the chemical treatment of hgihly active waste, and solvent extraction chemistry of actinide elements. Jiao Rongzhou(Under graduate degree, 1962, and graduate degree, 1966, engineering chemistry, Tsinghua University) is a research Professor of radiochemistry at INET. His major interests are the chemical treatment of hgihly active waste, and solvent extraction chemistry of actinide elements. Institute of Nuclear Energy Technology, Tsinghua University, Beijing 100084 Institute of Nuclear Energy Technology, Tsinghua University, Beijing 100084 The extraction behavior of trace Am (Ⅲ) and Eu (Ⅲ) from nitrate medium with HEHEHP in kerosene was studied. Lg D /pH and lg D / [H 2 A 2 ] dependence plots are given. Calculated values of lg K ex for Eu, Nd and Am are-0.13±0.08, -1.36±0.10, -1.89 ±0.18, respectively. Extraction equilibrium equations were deduced under proper conditions. Calculated values of D Am and D RE are in accordance with experimental ones. Americium/rare earths separation HEHEHP extraction Numerical solution References Claiborne H C . Neutron-induced transmutation of high-level radioactive waste. ORNL-TM-3694 , Tenn(USA) : Oak Ridge Ntional Lab , 1972 : 86 Neutron-induced transmutation of high-level radioactive waste. ORNL-TM-3694 Bush R P , Mills A L . The fourth international conference on nuclear fuel reprocessing and waste management. RECOD'94 Proceedings , 24-28 April 1994 . London , Held by British Nuclear Industry Forum Bond W D , Leuze R E . Feasibility studies of partitioning of commercial high-level wastes generated in spent nuclear fuel reprocessing. ORNL-5012 , Tenn(USA) : Oak Ridge Ntional Lab , 1975 : 111 Feasibility studies of partitioning of commercial high-level wastes generated in spent nuclear fuel reprocessing. ORNL-5012 Xu G X , Yuan C Y . Solvent extraction of rare earths (in Chinese) . Beijing : Science Press , 1991 : 141-150, 401-417 Solvent extraction of rare earths (in Chinese) Li Z H , Jiao R Z , Zhu Y J . Chinese J Nucl Sci Eng , 1994 ; 14 ( 1 ): 64 - 71 Chinese J Nucl Sci Eng *The Project Supported by National Natural Science Foundation of China 1995-04-04 1995-08-01 2021-02-05 1995 Nuclear Science and Techniques 3 6

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