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- Title
Gas chemical adsorption characterization of lanthanide hexafluoroacetylacetonates.
- Authors
Stratz, S.; Jones, Steven; Mullen, Austin; Mathuthu, Manny; Oldham, Colton; Auxier, John; Hall, Howard
- Abstract
Newly-established adsorption enthalpy and entropy values of 12 lanthanide hexafluoroacetylacetonates, denoted Ln[hfac], along with the experimental and theoretical methodology used to obtain these values, are presented for the first time. The results of this work can be used in conjunction with theoretical modeling techniques to optimize a large-scale gas-phase separation experiment using isothermal chromatography. The results to date indicate average adsorption enthalpy and entropy values of the 12 Ln[hfac] complexes ranging from −33 to −139 kJ/mol K and −299 to −557 J/mol, respectively.
- Subjects
RARE earth metal separation; ADSORPTION (Chemistry); ENTHALPY; ENTROPY; PHASE separation
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2017, Vol 312, Issue 2, p355
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-017-5232-z