Intercalation of lanthanides into H/sub 3/OUO/sub 2/PO/sub 4/ x 3H/sub 2/O and C/sub 4/H/sub 9/NH/sub 3/UO/sub 2/PO/sub 4/ x 3H/sub 2/O
Journal Article
·
· Inorg. Chem.; (United States)
The ion-exchange reactions of La/sup 3 +/, Pr/sup 3 +/, and Nd/sup 2 +/ with H/sub 3/OUO/sub 2/PO/sub 4/ x 3H/sub 2/O (HUP) and C/sub 4/H/sub 9/NH/sub 3/UO/sub 2/PO/sub 4/ x 3 H/sub 2/O (BAUP) involve a topotactic process that results in final products derived from HUP having a tetragonal structure. The infrared spectra show the gradual disappearance of the vibration band of the mobile H/sub 3/O/sup +/ (1740 cm/sup -1/) as the interacalation of the Ln/sub aq//sup 2 +/ ions proceeds. The obtained solids conform to the following compositions: La(UO/sub 2//sup 2/PO/sub 4/)/sub 3/ X 14H/sub 2/O, Pr(UO/sub 2/PO/sub 4/)/sub 3/ x 14H/sub 2/O, and Nd(UO/sub 2/PO/sub 4/)/sub 3/ x 13 H/sub 2/O. The diffuse-reflectance electron spectra for the lanthanum derivative show only the characteristic bands of the UO/sub 2//sup 2 +/ group, while in the cases of Pr/sup 3 +/ and Nd/sup 3 +/, in addition to these bands, there are others in the 500-800-nm zone that correspond to these aqueous ions.
- Research Organization:
- Universidad de Malaga, Spain
- OSTI ID:
- 6628822
- Journal Information:
- Inorg. Chem.; (United States), Journal Name: Inorg. Chem.; (United States) Vol. 26:9; ISSN INOCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400702* -- Radiochemistry & Nuclear Chemistry-- Properties of Radioactive Materials
ACTINIDE COMPOUNDS
CATIONS
CHARGED PARTICLES
CHEMICAL REACTIONS
CLATHRATES
DATA
ELECTRON SPECTRA
EXPERIMENTAL DATA
INFORMATION
INFRARED SPECTRA
ION EXCHANGE
IONS
LANTHANUM COMPOUNDS
NEODYMIUM COMPOUNDS
NUMERICAL DATA
OXYGEN COMPOUNDS
PHOSPHATES
PHOSPHORUS COMPOUNDS
PRASEODYMIUM COMPOUNDS
RARE EARTH COMPOUNDS
REACTION INTERMEDIATES
SPECTRA
URANIUM COMPOUNDS
URANYL COMPOUNDS
URANYL PHOSPHATES
400702* -- Radiochemistry & Nuclear Chemistry-- Properties of Radioactive Materials
ACTINIDE COMPOUNDS
CATIONS
CHARGED PARTICLES
CHEMICAL REACTIONS
CLATHRATES
DATA
ELECTRON SPECTRA
EXPERIMENTAL DATA
INFORMATION
INFRARED SPECTRA
ION EXCHANGE
IONS
LANTHANUM COMPOUNDS
NEODYMIUM COMPOUNDS
NUMERICAL DATA
OXYGEN COMPOUNDS
PHOSPHATES
PHOSPHORUS COMPOUNDS
PRASEODYMIUM COMPOUNDS
RARE EARTH COMPOUNDS
REACTION INTERMEDIATES
SPECTRA
URANIUM COMPOUNDS
URANYL COMPOUNDS
URANYL PHOSPHATES