Abstract
Sorption of Tb3+ ions by zirconium phosphate (ZrP), their complexation with some pyrazolones-5, and composition of compounds formed on a solid matrix are studied. Unlike solutions with the ratio Tb : pyrazolone = 1 : 3, compounds formed on ZrP have the ratio Tb : L = 1 : 3, 1 : 2, and 1 : 1, depending on the availability and size of a substituent at the reaction site. The luminescence intensity of the adsorbed Tb pyrazolonates was found to correlate with a sum of the Hammet induction σ-constants of substituents in the ligand molecule. The luminescence intensity of the studied complexes on ZrP is two times and more higher than that in solutions, which makes it possible to use ZrP as a solid substrate.
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Meshkova, S.B., Topilova, Z.M., Litvinenko, A.V. et al. Terbium(III) Complexes with Pyrazolones-5 on Zirconium Phosphate: Synthesis and Luminescent Properties. Russian Journal of Coordination Chemistry 29, 732–736 (2003). https://doi.org/10.1023/A:1026032402172
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DOI: https://doi.org/10.1023/A:1026032402172