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Statistical evaluations of single-ion Gibbs energies of transfer
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Gritzner, G., Takacs, R. and Auinger, Michael (2008) Statistical evaluations of single-ion Gibbs energies of transfer. Russian Journal of Electrochemistry / Elektrokhimiya, Volume 44 (Number 1). pp. 7-15. doi:10.1134/S1023193508010035 ISSN 1023-1935.
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Official URL: http://dx.doi.org/10.1134/S1023193508010035
Abstract
A statistical approach for the evaluation of single-ion Gibbs energies of transfer of the cations Li+, Na+, K+, Rb+, Cs+, Ba2+, Ag+, Tl+, Cu+, Zn2+, Cu2+, Cd2+, Hg2+ and Pb2+ into 40 solvents based on the principal component analysis is presented. It is shown that the Gibbs energies of transfer depend both on the nature of the cation and on the donor site of the respective solvent molecule. Correlation of the data for the investigated cations required separating the solvents into subgroups according to their donor atoms in the solvent molecule. Gibbs energies of transfer into oxygen donor solvents could be correlated with the Born term [N L(z i e 0)2/(8πε0 r i )]. Several cation parameters were investigated with respect to the transfer data into nitrogen and sulfur donor solvents. No correlations were found. Thus the use of cation parameters derived from the statistical analysis are proposed to account for the Gibbs energies of transfer into nitrogen and sulfur donor solvents.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
| Journal or Publication Title: | Russian Journal of Electrochemistry / Elektrokhimiya | ||||
| Publisher: | Springer ; M A I K Nauka - Interperiodica | ||||
| ISSN: | 1023-1935 | ||||
| Official Date: | 1 January 2008 | ||||
| Dates: |
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| Volume: | Volume 44 | ||||
| Number: | Number 1 | ||||
| Page Range: | pp. 7-15 | ||||
| DOI: | 10.1134/S1023193508010035 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Description: | The text was submitted by the authors in English also published in Russian. |
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| Version or Related Resource: | Also published in Russian Elektrokhimiya, 2008, Vol. 44, No. 1, pp. 9–17. |
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