The effect of the alcohol content on the solubility of amino acids in aqueous solutions

The solubility of me most simple a-amino acid, glycine, was measured in the temperature range between 25 and 60°C for the aqueous system of ethanol and at 25 °C for the aqueous system 0V 1-propanol. Theoretical work was essentially focused on the application of the excess solubility approach with co...

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Bibliographic Details
Main Author: Ferreira, Luísa (author)
Other Authors: Macedo, Eugénia A. (author), Pinho, Simão (author)
Format: conferenceObject
Language:eng
Published: 2010
Subjects:
Online Access:http://hdl.handle.net/10198/2828
Country:Portugal
Oai:oai:bibliotecadigital.ipb.pt:10198/2828
Description
Summary:The solubility of me most simple a-amino acid, glycine, was measured in the temperature range between 25 and 60°C for the aqueous system of ethanol and at 25 °C for the aqueous system 0V 1-propanol. Theoretical work was essentially focused on the application of the excess solubility approach with conventional thermodynamic models such as the Margules and Wilson equations. The simple three suffix Margules model, with only one parameter to be estimated, gave the best results, with an average absolute deviation of 3.8%.