The adsorption process of some acetic acid derivatives at the water/air interface |
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| Authors: | P Dynarowicz M Paluch |
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| Institution: | (1) Department of General Chemistry, Faculty of Chemistry, Jagellonian University, Kraków, Poland;(2) Present address: Department of Physical Chemistry and Electrochemistry, Faculty of Chemistry, Jagellonian University, Kraków, Poland |
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| Abstract: | The adsorption of trifluoro-, trichloro-, tribromo-, and trimethylacetic acid at the water/air interface is discussed on the basis of surface tension measurements. The process of adsorption is described by Henry's and Langmuir's isotherm equations. The obtained results allow calculation of the standard free energy of adsorption of investigated molecules and the contribution to this energy of hydrophobic groups of these molecules. |
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| Keywords: | Adsorptionprocess-trifluoro trichloro-tribromo- andtrimethylacetic acid water/air interface standardfreeenergy ofadsorption |
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