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Title: Study on acoustic behaviour of potassium thiocyanate in aqueous and various non-aqueous solvents at 298 - 313K
Authors: Bhat, J Ishwara
Shivakumar, H.R.
Issue Date: Mar-1998
Publisher: NISCAIR-CSIR, India
Abstract: The results obtained in the acoustic behaviour study, such as ultrasonic velocity (U), adiabatic compressibility (βad), intermolecular free-length(Lf), acoustic impedence (Z), relative association (RA), solvation number (Sn), of potassium thiocyanate in water, methanol, ethanol, dimethylformarnide, and dimethyl sulphoxide at 298, 308 and 313K have been reported. Ultrasonic velocity of potassium thiocyanate has been determined by ultrasonic interferometer, and its density by pyknometer in all the cases and these data have been used to estimate the acoustic parameters. The apparent molar compressibility (ΦK), apparent molar volumue (Φv) and limiting apparent molar compressibility, (Φ), limiting apparent molar volume (Φ) have been computed at 298K for various cases. Masson's equation has been verified and used in the interpretation of ion-ion, and ion-solvent interactions involved in the system under prevailing condition.  Ultrasonic velocity of potassium thiocyanate in solutions is found to vary in the order H2O> DMSO>DMF>EtOH>MeOH whereas computed intermolecular free length is found to increase in the reverse order.
Page(s): 252-256
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.37A(03) [March 1998]

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