Volume No. :   5

Issue No. :  2

Year :  2015

ISSN Print :  2231-5705

ISSN Online :  2231-5713


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Surface Tension Prediction of Organic Binary Liquid Mixtures



Address:   Prof. Dr. Ulhas Balkrishna Hadkar1*, Miss. Munira Aunali Loliwala2
1Director, Mumbai Education Trust’s, Institute of Pharmacy, Bandra (west), Mumbai- 400050, Maharashtra, India.
2Mumbai Education Trust’s, Institute of Pharmacy, Bandra (west), Mumbai- 400050, Maharashtra, India.
*Corresponding Author
DOI No: 10.5958/2231-5713.2015.00016.1

ABSTRACT:
Equations have been reported in the literature to predict the surface tension of binary liquid mixtures. However, the equations involve large number of variables and are very complex. In the present article an attempt is made to propose an empirical equation to predict the surface tension of binary organic liquid mixtures. A simple equation, ‘Hadkar Equation’, has been proposed and was used to calculate the surface tension of binary liquid mixtures that have already been reported in the literature and was found to give the results close to the reported values. To verify the utility of the equation for the prediction of surface tension of liquid mixture, the surface tension of a few organic binary liquid mixtures was determined using drop weight method. The ‘Hadkar Equation’, was found to be useful in the prediction of surface tension of organic binary liquids having weak force of attraction.
KEYWORDS:
Surface tension, Drop weight method, Dielectric constant, Intermolecular forces.
Cite:
Ulhas Balkrishna Hadkar, Munira Aunali Loliwala. Surface Tension Prediction of Organic Binary Liquid Mixtures. Asian J. Pharm. Tech. 2015; Vol. 5: Issue 2, Pg 107-114.
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