Abstract
En este trabajo se estudiaron la densidad, la velocidad ultrasónica y la viscosidad desoluciones de algunas bases de Schiff derivadas de la vainillina en metanol y tetrahidrofurano(THF) a 308,15 K. A partir de los datos experimentales, se evaluarondiversos parámetros acústicos, como la compresibilidad isentrópica (κs), la funciónacústica molar de Rao (Rm), la constante de Van der Waals (b), la fuerza de relajación(r), la longitud intermolecular libre (Lf), la compresibilidad molar aparente,etc., todo lo cual ayuda a comprender las interacciones moleculares que ocurren enestas soluciones.
Highlights
Ultrasonic velocity and viscosity of some vanillin Schiff bases derivatives have been studied in methanol and tetrahydrofuran (THF) at 308.15 K
Various acoustical parameters such as isentropic compressibility, Rao’s molar sound function (Rm), Van der Waals constant (b), relaxation strength (r), intermolecular free length (Lf), apparent molar compressibility, etc. have been evaluated, which helps in understanding the molecular interactions occurring in these solutions
Ultrasonic velocity measurements have been used to study the nature of molecular interactions in various pure liquids [1-3], liquid mixtures [4-10] and in solutions [1117]
Summary
Ultrasonic velocity measurements have been used to study the nature of molecular interactions in various pure liquids [1-3], liquid mixtures [4-10] and in solutions [1117]. Ultrasonic velocity and viscosity of some vanillin Schiff bases derivatives have been studied in methanol and tetrahydrofuran (THF) at 308.15 K. Various acoustical parameters such as isentropic compressibility (κs), Rao’s molar sound function (Rm), Van der Waals constant (b), relaxation strength (r), intermolecular free length (Lf), apparent molar compressibility, etc. Have been evaluated, which helps in understanding the molecular interactions occurring in these solutions.
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