Acoustic, viscometric and optical properties of binary mixtures of tetrahydrofuran with 1-propanol and 2-propanol

Abstract

The values estimated from various mixing rules for the ultrasonic velocity, viscosity and refractive index have been compared with the respective values measured earlier at 293, 303, and 313 K over the entire mole fraction range of two binary mixtures of tetrahydrofuran (THF) with 1-propanol (1-p) and 2-propanol (2-p). There is an excellent agreement between the experimental values of ultrasonic velocity and of refractive index with the respective values obtained from the mixing rules. The mixing rules for viscosity provide values agreeing broadly with those obtained from experimental measurements. The relative merits and interrelations of these mixing rules are discussed.

Keywords:

• Tetrahydrofuran
• Propanol
• Mixing rules
• Ultrasonic velocity
• Viscosity
• Refractive index

Acknowledgement

The authors are thankful to Prof. J.D. Pandey, Allahabad University, for providing invaluable help and suggestions during the present work. One of the authors (I.V.) is thankful to CSIR, New Delhi, for providing SRF (NET) [No. 9/107 (212) 99-EMR-I] during the present work.