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Int. J. Mol. Sci. 2009, 10(7), 2911-2920; doi:10.3390/ijms10072911
Article

Heats of Mixing Using an Isothermal Titration Calorimeter: Associated Thermal Effects

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Received: 5 May 2009; in revised form: 10 June 2009 / Accepted: 19 June 2009 / Published: 29 June 2009
(This article belongs to the Special Issue Isothermal Titration Calorimetry)
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Abstract: The correct determination of the energy generated or absorbed in the sample cell of an Isothermal Titration Calorimeter (ITC) requires a thorough analysis of the calorimetric signal. This means the identification and quantification of any thermal effect inherent to the working method. In this work, it is carried out a review on several thermal effects, studied by us in previous work, and which appear when an ITC is used for measuring the heats of mixing of liquids in a continuous mode. These effects are due to: (i) the difference between the temperature of the injected liquid and the temperature of the mixture during the mixing process, (ii) the increase of the liquid volume located in the mixing cell and (iii) the stirring velocity. Besides, methods for the identification and quantification of the mentioned effects are suggested.
Keywords: accuracy; excess enthalpies; isothermal titration calorimeter; liquid mixtures accuracy; excess enthalpies; isothermal titration calorimeter; liquid mixtures
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Rodríguez de Rivera, M.; Socorro, F.; Matos, J.S. Heats of Mixing Using an Isothermal Titration Calorimeter: Associated Thermal Effects. Int. J. Mol. Sci. 2009, 10, 2911-2920.

AMA Style

Rodríguez de Rivera M, Socorro F, Matos JS. Heats of Mixing Using an Isothermal Titration Calorimeter: Associated Thermal Effects. International Journal of Molecular Sciences. 2009; 10(7):2911-2920.

Chicago/Turabian Style

Rodríguez de Rivera, Manuel; Socorro, Fabiola; Matos, José S. 2009. "Heats of Mixing Using an Isothermal Titration Calorimeter: Associated Thermal Effects." Int. J. Mol. Sci. 10, no. 7: 2911-2920.


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