Determination of Standard Gibbs Energies of Transfer of Organic Anions across the Water/Nitrobenzene Interface

Komorsky-Lovrić, Šebojka and Riedl, Kai and Gulaboski, Rubin and Mirceski, Valentin and Scholz, Fritz (2003) Determination of Standard Gibbs Energies of Transfer of Organic Anions across the Water/Nitrobenzene Interface. Langmuir, 19 (7). p. 3090. ISSN 0743-7463

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Abstract

Some of the published data in Table 3 of the paper Langmuir 2002 are corrected because contamination of the
decamethylferrocene caused an erroneous electrode response,
i.e., a shift of the voltammetric peak potentials.
Careful re-examination of all systems using decamethylferrocene
of highest purity led to the data given in Table
1 of this correction. The new ¢Gõ
X-(WfNB) data deviate
from the erroneously reported ones especially in the case
of the anions valeriate, capronate, and oenanthate. For
the other anions listed in Table 1, the deviations are
marginal; however, we feel that the correct values must
be reported. The technique used provides a standard
deviation (n ) 12) of the free energies of 0.16 kJ mol-1.
As log(P) values (P is the partition coefficient) are usually
used for assessing the liphophilicity of compounds, it is
worth mentioning that the new data of ¢Gõ
X-(WfNB) give
only slightly different new log(P) values. Re-examination
of all other data reported in the previous publication proved
that they are completely correct.
LA0209233
10.1021/la0209233
Published on Web 03/05/2003
Table 1. Peak Potentials of the Net

Item Type: Article
Subjects: Medical and Health Sciences > Basic medicine
Natural sciences > Chemical sciences
Divisions: Faculty of Agriculture
Depositing User: Rubin Gulaboski
Date Deposited: 24 Dec 2012 09:11
Last Modified: 28 Feb 2014 13:33
URI: https://eprints.ugd.edu.mk/id/eprint/4227

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