Complications in complexation kinetics for lanthanides with DTPA using dye probe molecules in aqueous solution
- California State Univ. (CalState), Long Beach, CA (United States). Dept. of Chemistry and Biochemistry
- Idaho National Lab. (INL), Idaho Falls, ID (United States). Aqueous Separations and Radiochemistry Dept.
The complexation kinetics for the polyaminopolycarboxylic ligand DTPA to lanthanides in acidic aqueous solution were investigated using the dye ligand displacement technique and stopped-flow spectroscopy. Significant rate differences were obtained for different dye probes used, indicating that the kinetics of the dissociation of the dye molecule significantly impacts the overall measured kinetics when using this common methodology. The conditions of the solution also influenced the dye-lanthanide-DTPA interactions, which reconciled previously disparate data in the literature.
- Research Organization:
- California State Univ. (CalState), Long Beach, CA (United States); Idaho National Lab. (INL), Idaho Falls, ID (United States)
- Sponsoring Organization:
- USDOE Office of Nuclear Energy (NE), Fuel Cycle Technologies (NE-5); USDOE Office of Nuclear Energy (NE), Nuclear Reactor Technologies (NE-7). Nuclear Energy Universities Program (NEUP)
- Grant/Contract Number:
- AC07-05ID14517; NE0008410
- OSTI ID:
- 1376481
- Journal Information:
- RSC Advances, Vol. 7, Issue 42; ISSN 2046-2069
- Publisher:
- Royal Society of ChemistryCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 8 works
Citation information provided by
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