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N-dodecanoylpyrrolidine as a new extractant for uranyl(II) and nitric acid in toluene

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Abstract

N-dodecanoylpyrrolidine (DOPOD) was synthesized and used for the extraction of nitric acid and uranyl(VI) ions from nitric media in toluene. The effects of nitric acid concentration, extractant concentration, temperature, salting-out agent (LiNO3) have been studied. The main adduct of DOPOD and HNO3 is HNO3·DOPOD. The complex formation of uranyl(VI) ion, nitrate ion and DOPOD (UO2(NO3)2·2DOPOD) as extracted species are further confirmed by IR spectra and the values of thermodynamic parameters have also been calculated.

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Authors and Affiliations

  1. Shanghai Institute of Nuclear Research, The Chinese Academy of Sciences, P.O.Box 800-204, 201800, Shanghai, P.R. China

    Han Jing-Tian, Shao Hua, Zhu Jian-Kang & Bao Bo-Rong

  2. China Pharmaceutical University, 210009, Nanjing, P.R. China

    Cao Feng-Qi & Wu Zi-Mei

Authors
  1. Han Jing-Tian
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  2. Shao Hua
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  3. Zhu Jian-Kang
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  4. Bao Bo-Rong
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  5. Cao Feng-Qi
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  6. Wu Zi-Mei
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Jing-Tian, H., Hua, S., Jian-Kang, Z. et al. N-dodecanoylpyrrolidine as a new extractant for uranyl(II) and nitric acid in toluene. J Radioanal Nucl Chem 241, 679–681 (1999). https://doi.org/10.1007/BF02347234

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  • DOI: https://doi.org/10.1007/BF02347234

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