Calorimetric methods applied to the investigation of divided systems in colloid science |
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| Authors: | Lagerge S Kamyshny A Magdassi S Partyka S |
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| Institution: | (1) Laboratoire des Agrégats Moléculaires et Matériaux Inorganiques, CNRS UMR-5072, Université de Montpellier II Case 015, 2 Place E. Bataillon, 34095 Montpellier Cedex 05, France;(2) Casali Institute of Applied Chemistry, The Hebrew University of Jerusalem, 91904, Israel |
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| Abstract: | A new batch titration microcalorimeter has been used for estimation of thermodynamic properties in various investigated colloidal systems. As examples, we present enthalpic and kinetic data obtained from this calorimetric device for four different processes widely encountered in colloid science:
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The dilution/micellization process of cationic gemini surfactants in aqueous solution.
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The hydration process of non ionic surfactants in organic solution, i.e. the mechanism of micellar solubilization of water in the aggregates.
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The complexation of calcium ions by polyacrylates sodium salts (PaNa).
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The adsorption phenomenon of PaNa molecules on the calcium carbonate surface.
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This revised version was published online in November 2005 with corrections to the Cover Date. |
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| Keywords: | adsorption aggregation biotechnology calorimetry colloid science complexation interface micellisation |
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