The transfer of neutral molecules, ions and ionic species from water to ethylene glycol and to propylene carbonate; descriptors for pyridinium cations

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Article on the transfer of neutral molecules, ions and ionic species from water to ethylene glycol and to propylene carbonate and descriptors for pyridinium cations.

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8 p.

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Abraham, M. H. (Michael H.) & Acree, William E. (William Eugene) June 29, 2010.

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This article is part of the collection entitled: UNT Scholarly Works and was provided by UNT College of Arts and Sciences to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 28 times . More information about this article can be viewed below.

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Article on the transfer of neutral molecules, ions and ionic species from water to ethylene glycol and to propylene carbonate and descriptors for pyridinium cations.

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8 p.

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Abstract: Equations have been constructed for the transfer of neutral solutes from water to the solvents ethylene glycol and propylene carbonate. These equations have been extended to include ions and ionic species derived from acids by loss of a proton and bases by acceptance of a proton. Only one additional term is needed for cations and one additional term for anions. The data used include literature data on the partition coefficients of simple ions, and literature data on pKa values for carboxylic acids and amines in water, ethylene glycol and propylene carbonate from which we derive ionic partition coefficients. Descriptors have been obtained for 22 substituted pyridinium cations, and equations derived for the prediction of descriptors for further substituted pyridinium cations. Some of the pyridinium cations are the strongest hydrogen bond acids that we have encountered.

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  • New Journal of Chemistry, 2010, Cambridge: Royal Society of Chemistry (Great Britain), pp. 2298-2305

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  • Publication Title: New Journal of Chemistry
  • Volume: 34
  • Page Start: 2298
  • Page End: 2305
  • Peer Reviewed: Yes

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UNT Scholarly Works

Materials from the UNT community's research, creative, and scholarly activities and UNT's Open Access Repository. Access to some items in this collection may be restricted.

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  • June 29, 2010

Submitted Date

  • March 24, 2010

Accepted Date

  • June 3, 2010

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  • Oct. 2, 2015, 9:40 a.m.

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Abraham, M. H. (Michael H.) & Acree, William E. (William Eugene). The transfer of neutral molecules, ions and ionic species from water to ethylene glycol and to propylene carbonate; descriptors for pyridinium cations, article, June 29, 2010; [Cambridge, England]. (digital.library.unt.edu/ark:/67531/metadc725831/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.