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A fluorescence study of UO 22+ ion exchange in the modified matrix: Polyethylene/poly(acrylic acid)

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The H+ <−−−>UO2 2+ ion exchange in aqueous solution was studied in the material modified by in situ sorption and thermal polymerization of acrylic acid in low density polyethylene films. Fluorescence spectroscopy was used to observe the percentage of UO2 2+ exchange. The effects of temperature and film thickness in the exchange process were analyzed. The percentage of the H+ <−−−>UO2 2+ exchange were twice as that observed for Eu3+. Simultaneous H+ <−−−>Eu3+/UO2 2+ ion exchange in LDPE-PAA matrix was investigated and from fluorescence spectra they showed no evidence of energy transfer from UO2 2+ to Eu3+.

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Authors and Affiliations

  1. Departamento de Química, Universidade de Brasília, CP 04478, 70919, Brasília, Brasil

    Maria Irismar N. Ximenes & Glaucione G. de Barros

  2. Departamento de Química, Universidade de São Paulo, Ribeirão Preto, Brasil

    Osvaldo A. Serra

Authors
  1. Maria Irismar N. Ximenes
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  2. Osvaldo A. Serra
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  3. Glaucione G. de Barros
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Ximenes, M.I.N., Serra, O.A. & de Barros, G.G. A fluorescence study of UO 22+ ion exchange in the modified matrix: Polyethylene/poly(acrylic acid). Polymer Bulletin 30, 97–104 (1993). https://doi.org/10.1007/BF00296240

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  • DOI: https://doi.org/10.1007/BF00296240

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