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LIU Ji-lian, WANG Bang-wu, LIANG Jun-fu. Study on Extraction Behavior of Pu(Ⅲ) in HBTMPDTP(Kerosene)-HNO3 System[J]. Atomic Energy Science and Technology, 2007, 41(1): 41-45. DOI: 10.7538/yzk.2007.41.01.0041
Citation: LIU Ji-lian, WANG Bang-wu, LIANG Jun-fu. Study on Extraction Behavior of Pu(Ⅲ) in HBTMPDTP(Kerosene)-HNO3 System[J]. Atomic Energy Science and Technology, 2007, 41(1): 41-45. DOI: 10.7538/yzk.2007.41.01.0041
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Study on Extraction Behavior of Pu(Ⅲ) in HBTMPDTP(Kerosene)-HNO3 System

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  • Extraction chemical behavior of Pu(Ⅲ) by bis(2,4,4-trimethylpentyl)-dithio-phosphinic acid(HBTMPDTP) was studied. The distribution ratios of Pu(Ⅲ) were varied with stirring time, pH of equilibrated aqueous phase, salinity, concentration of HBTMPDTP, and temperature. The equation of extraction was obtained and some parameters such as equilibrium constant, extraction enthalpy, extraction entropy were calculated. Comparing with other actinide ions, extraction of Pu(Ⅲ) by HBTMPDTP is easier than that of Am3+ and Cm3+. The order of the extraction capacity is as follow: Pu3+＞Am3+＞Cm3+.
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