期刊
JOURNAL OF CHEMICAL THERMODYNAMICS
卷 68, 期 -, 页码 310-316出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jct.2013.09.013
关键词
Sorption; Sorption isotherms; Thermodynamic parameters; Standard state; Isosteric heat
资金
- Italian MIUR [PRIN 2010M2JARJ]
This is a comparative analysis of popular methods currently in use to derive sorption thermodynamic parameters from temperature dependence of sorption isotherms. It is emphasized that the standard and isosteric thermodynamic parameters have sharply different meanings. Moreover, it is shown with examples how the sorption model adopted conditions the standard state and consequently the value of Delta G degrees and Delta S degrees. These trivial but often neglected aspects should carefully be considered when comparing thermodynamic parameters from different literature sources. An effort by the scientific community is needed to define criteria for the choice of the standard state in sorption processes. (C) 2013 Elsevier Ltd. All rights reserved.
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