Ultrasonic Vibration Potentials.
Abstract
Vibration potentials are generated when sound waves are propagated through an ionic solution, polyelectrolyte or colloidal suspension in an electrolyte. Accurate measurements of vibration potential can be now performed on a routine basis, using pulse modulated ultrasonic waves for the generation of the effect, in a variety of solvents and solvent mixtures. The results obtained thus far have been used to check the theoretical treatments of the ultrasonic vibration potentials. Moreover the combination of vibration potential and density data has provided us with the partial molal volumes of ions in a series of solvents. These data should prove useful in checking theories dealing with electrostriction once they can accurately be split into a geometric contribution, and a contribution due to ion-solvent interactions. There have been relatively few investigations of polyelectrolyte solutions and colloidal systems by means of vibration potentials, although the study of these systems should prove interesting. Vibration potentials may be useful for the monitoring of changes of potential of colloidal suspensions upon addition of various agents, in some industrial processes of major importance such as paper processing. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 15, 1978
- Accession Number
- ADA062581
Entities
People
- Ernest B. Yeager
- Raoul Zana
Organizations
- Case Western Reserve University