Abstract
The H+ UO22+ 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 UO22+ exchange. The effects of temperature and film thickness in the exchange process were analyzed. The percentage of the H+ UO22+ exchange were twice as that observed for Eu3+. Simultaneous H+ Eu3+/UO22+ ion exchange in LDPE-PAA matrix was investigated and from fluorescence spectra they showed no evidence of energy transfer from UO22+ to Eu3+.
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