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Volumetric and viscometric studies on some inorganic electrolytes in water and in water-SDS solution systems

Afroz , S and Motin , M. A. and Biswas , T. K. and Huque , E. M. (2003) Volumetric and viscometric studies on some inorganic electrolytes in water and in water-SDS solution systems. PHYSICS AND CHEMISTRY OF LIQUIDS, 41 (3). 249-262 .

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Abstract

The apparent molal volumes (φv) of NaCl, NaNO3, NH4Cl, CuCl2, CuSO4, CoSO4 and MgSO4 in water and in water-SDS (Sodium dodecyl sulphate) solutions were determined from density measurements at 308.15, 313.15 and 323.15 K respectively. The limiting apparent molal volume at infinite dilution φov which is practically equal to the partial molal volume Vo2) of these electrolytes were found to be higher in water-SDS solution systems than those in water solutions. Viscosity coefficients (A and B) for these systems were also determined by Jones-Dole equation. All these electrolytes, except NH4Cl exhibit structure making behaviour in water and in water-SDS solutions. Ammonium chloride showed structure breaking properties in water and in 0.01 molar water-SDS solutions. In 0.1 molar SDS solution, it showed structure making behaviour at the temperature range studied. The properties of these electrolytes in water and in water-SDS solution systems have been discussed in terms of the charge, size and hydrogen bonding effect.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:9704
Deposited By:JNCASR
Deposited On:19 Oct 2010 06:08
Last Modified:19 Oct 2010 06:08

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