Studies on Water-Polymer Interactions inthe Presence of Aceclofenac at 298.15 K
Densities and ultrasonic velocities of aqueous mixtures of methyl cellulose (MC) and polyethylene glycol (PEG) and of methyl cellulose and hydroxyl propyl methyl cellulose (HPMC), over the compositions, 9:1, 8:2 and 6:4, and of MC, HPMC and PEG, over the compositions, 9:0.5:0.5, 8:1:1 and 6:2:2, hav...
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doaj-429726a64f0d49cc8675c9cc6c6c8edb2020-11-24T22:40:53ZengHindawi LimitedE-Journal of Chemistry0973-49452090-98102011-01-0181637010.1155/2011/545313Studies on Water-Polymer Interactions inthe Presence of Aceclofenac at 298.15 KSiti S. B. Ambomase0Sushree Tripathy1Minaketan Tripathy2Upendra N. Dash3Faculty of pharmacy, Campus Puncak AlamUniversiti Teknologi MARA (UiTM), Selangore-42300, MalaysiaFaculty of pharmacy, Campus Puncak AlamUniversiti Teknologi MARA (UiTM), Selangore-42300, MalaysiaFaculty of pharmacy, Campus Puncak AlamUniversiti Teknologi MARA (UiTM), Selangore-42300, MalaysiaDepartment of Chemistry ITER, SOA University, Bhubaneswar-751030, IndiaDensities and ultrasonic velocities of aqueous mixtures of methyl cellulose (MC) and polyethylene glycol (PEG) and of methyl cellulose and hydroxyl propyl methyl cellulose (HPMC), over the compositions, 9:1, 8:2 and 6:4, and of MC, HPMC and PEG, over the compositions, 9:0.5:0.5, 8:1:1 and 6:2:2, have been measured with and without acelofenac at 298.15K and at atmospheric pressure. The experimental ultrasonic velocities have been used to determine isentropic compressibilities, apparent isentropic molar compressibilities, acoustic impedance, molar compressibility, molar sound velocity, free volume and relative association for the systems with and without aceclofenac. The results have been discussed in terms of solute solvent and solute-solute interactions and various structural effects.http://dx.doi.org/10.1155/2011/545313 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Siti S. B. Ambomase Sushree Tripathy Minaketan Tripathy Upendra N. Dash |
spellingShingle |
Siti S. B. Ambomase Sushree Tripathy Minaketan Tripathy Upendra N. Dash Studies on Water-Polymer Interactions inthe Presence of Aceclofenac at 298.15 K E-Journal of Chemistry |
author_facet |
Siti S. B. Ambomase Sushree Tripathy Minaketan Tripathy Upendra N. Dash |
author_sort |
Siti S. B. Ambomase |
title |
Studies on Water-Polymer Interactions inthe Presence of Aceclofenac at 298.15 K |
title_short |
Studies on Water-Polymer Interactions inthe Presence of Aceclofenac at 298.15 K |
title_full |
Studies on Water-Polymer Interactions inthe Presence of Aceclofenac at 298.15 K |
title_fullStr |
Studies on Water-Polymer Interactions inthe Presence of Aceclofenac at 298.15 K |
title_full_unstemmed |
Studies on Water-Polymer Interactions inthe Presence of Aceclofenac at 298.15 K |
title_sort |
studies on water-polymer interactions inthe presence of aceclofenac at 298.15 k |
publisher |
Hindawi Limited |
series |
E-Journal of Chemistry |
issn |
0973-4945 2090-9810 |
publishDate |
2011-01-01 |
description |
Densities and ultrasonic velocities of aqueous mixtures of methyl cellulose (MC) and polyethylene glycol (PEG) and of methyl cellulose and hydroxyl propyl methyl cellulose (HPMC), over the compositions, 9:1, 8:2 and 6:4, and of MC, HPMC and PEG, over the compositions, 9:0.5:0.5, 8:1:1 and 6:2:2, have been measured with and without acelofenac at 298.15K and at atmospheric pressure. The experimental ultrasonic velocities have been used to determine isentropic compressibilities, apparent isentropic molar compressibilities, acoustic impedance, molar compressibility, molar sound velocity, free volume and relative association for the systems with and without aceclofenac. The results have been discussed in terms of solute solvent and solute-solute interactions and various structural effects. |
url |
http://dx.doi.org/10.1155/2011/545313 |
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