Mathematical and Experimental Analysis of Ultrasound Velocity and Refractive Index in Binary Mixtures of Pharmaceutically Important Polymer—PEG 600

Author(s):  
R. Padmanaban ◽  
K. Venkatramanan ◽  
S. Girivel ◽  
K. Kasthuri ◽  
A. Usharani ◽  
...  
2014 ◽  
Vol 79 (6) ◽  
pp. 707-718 ◽  
Author(s):  
Jelena Vuksanovic ◽  
Divna Bajic ◽  
Gorica Ivanis ◽  
Emila Zivkovic ◽  
Ivona Radovic ◽  
...  

The excess molar volumes of twenty two binary mixtures containing various groups of organic compounds: alcohols (ethanol, 1-propanol, 1,2-propanediol, 1,3-propanediol and glycerol), ketone (acetone), ester (butyl lactate), lactam (N-methyl-2-pyrrolidone), PEGs (PEG 200, PEG 400) and aromatics (benzene, toluene and pyridine) were predicted from the refractive index data, using three types of equations coupled with several mixing rules for refractive index calculations: the Lorentz-Lorenz, Dale-Gladstone, Eykman, Arago-Biot, Newton, and Oster. The obtained results were analysed in terms of the applied equation and mixing rule and the nature of interactions between the mixtures? components.


2010 ◽  
Vol 55 (7) ◽  
pp. 2652-2652 ◽  
Author(s):  
José M. Resa ◽  
Emilio A. Cepeda ◽  
José M. Goenaga ◽  
Álvaro Ramos ◽  
Sofía Aguirre ◽  
...  

2012 ◽  
Vol 47 ◽  
pp. 219-222 ◽  
Author(s):  
E. Rilo ◽  
M. Domínguez-Pérez ◽  
J. Vila ◽  
L. Segade ◽  
M. García ◽  
...  

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