Abstract
Laser-induced fluorescence spectroscopy was applied to obtaining hydration structure of Eu(III) complexes with synthetic polycarboxylates of poly(acrylic acid), poly(maleic acid), poly(methacrylic acid), and poly(a-hydroxyacrylic acid). Dependence of\(N_{H_2 O} \) (the number of water molecules in the first coordination sphere of Eu(III) ion) on pH and supporting electrolyte concentration was obtained for these complexes. The spectroscopic results show that Eu(III) is surrounded by the “cage” of polycarboxylate ligands. The pH-induced transition in conformation of poly(methacrylic acid) ligand was clearly observed in the\(N_{H_2 O} \) plot vs. pH.
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Takahashi, Y., Kimura, T., Kato, Y. et al. Laser-induced fluorescence study on the interaction of Eu(III) with polycarboxylates. J Radioanal Nucl Chem 239, 335–340 (1999). https://doi.org/10.1007/BF02349507
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DOI: https://doi.org/10.1007/BF02349507