ISSN : 0970 - 020X, ONLINE ISSN : 2231-5039
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Influence of Amino Acids on the Micellar Behaviour of Non-Ionic Surfactant in Aqueous Medium

B. S. Bhadane1 and T. J. Patil2

1Department of Chemistry, Kisan A.C.S. College, Parola, Dist. Jalgaon - 425 111 (India).

2Department of Chemistry, Z.B. Patil College, Deopur, Dhule - 424 002 (India).

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ABSTRACT:

The phenomenon of micellization in non-ionic surfactant Brij-58 (Bj-58) have been studied by measuring the cloud points (CP) of the pure surfactant and mixed system with Alanine (Ala) and Phenylalanine (PA). The CP of pure surfactant found to be decreased with increased [ Bj-58]. The CP of mixed system also shows same trends with increased [Ala] and [PA]. This is mainly due to increase in micelle concentration. The phase separation results from micelle-micelle interaction. Considering CP as a threshold temperature of the solubility, the thermodynamic parameters of clouding process (DG0cl , DH0cl and DS0cl ) have been evaluated using

KEYWORDS:

Micellization; Cloud Point (CP); Brij-58 (Bj-58); Alanine (Ala); Phenylalanine (PA); Phase Separation Model

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Bhadane B. S, Patil T. J. Influence of Amino Acids on the Micellar Behaviour of Non-Ionic Surfactant in Aqueous Medium. Orient J Chem 2009;25(1).


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Bhadane B. S, Patil T. J. Influence of Amino Acids on the Micellar Behaviour of Non-Ionic Surfactant in Aqueous Medium. Orient J Chem 2009;25(1). Available from: http://www.orientjchem.org/?p=23429



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