Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/93283
Type: Artigo de evento
Title: Enthalpy Of Solution Of Fullerene[60] In Some Aromatic Solvents
Author: Herbst M.H.
Dias G.H.M.
Magalhaes J.G.
Torres R.B.
Volpe P.L.O.
Abstract: Enthalpies of solution (Δ solnH θ) of fullerene[60] in benzene, toluene, bromobenzene, 1,2-dichlorobenzene and nitrobenzene have been measured in a Precision Solution Calorimeter at 298 K, by using the ampoule breaking technique. The dissolution of C 60 in these aromatic organic solvents was observed to be exothermic, with exception of benzene and nitrobenzene, in which the enthalpy is close to zero. From the experimental values of Δ solnH θ and solubility data of C 60 from the literature, Δ solnG θ and Δ solnS θ were calculated. We attempted to correlate (Δ solnH θ) of C 60 in these solvents with the solubility, Hildebrand's solubility parameter and polarizability parameter. Thermodynamic data suggest that the process of dissolution of C 60 in the studied aromatic solvents is entropically controlled. © 2004 Elsevier B.V. All rights reserved.
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Rights: fechado
Identifier DOI: 10.1016/j.molliq.2004.07.003
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-13844276091&partnerID=40&md5=7369c381aaeff00f05c13de690cdea6c
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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