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- Title
Synthesis and Spectral Study of New Complexes of Eu<sup>3+</sup>, Am<sup>3+</sup>, and Cm<sup>3+</sup> with GaMo<sub>6</sub>O<sub>18</sub>(OH) Polyanion.
- Authors
Yusov, A. B.; Fedoseev, A. M.
- Abstract
Complexing of Am(III) with GaMo6O18(OH) polyanion in an aqueous solution was studied. The stability constant β of the resulting complex was estimated at 100–150 l mol−1 at pH 4.0. Crystalline complexes of Eu(III) and Gd(III) [doped with 0.5–1.5% Cm(III) ion] with GaMo6O18(OH) polyanion were synthesized from H2O and D2O solutions. The luminescence spectra and lifetime were measured for the compounds at T = 295 and 77 K. The luminescence characteristics of the Eu(III) complex proved to be virtually identical to those of the previously synthesized compound EuAlMo6O18(OH)6· xH2O. This also concerns the luminescence of Cm3+-doped GdGaMo6O18(OH)6· xH2O complex. The results suggest identical structures of the new compounds and complexes of lanthanides with the AlMo6O18(OH) anion.
- Subjects
COMPLEX ions; IONS spectra; SPECTRUM analysis; CHEMICAL structure; COMPLEX compounds; SOLUTION (Chemistry); IONIC structure; RADIOCHEMISTRY
- Publication
Radiochemistry, 2005, Vol 47, Issue 6, p552
- ISSN
1066-3622
- Publication type
Article
- DOI
10.1007/s11137-006-0006-4