New plano-concave ultrasonic resonator cells for absorption and velocity measurements in liquids below 1 MHz
- 1 September 1994
- journal article
- Published by IOP Publishing in Measurement Science and Technology
- Vol. 5 (9) , 1131-1138
- https://doi.org/10.1088/0957-0233/5/9/015
Abstract
Ultrasonic resonator cells for liquid attenuation and velocity measurements below 1 MHz with one planar and one concave piezoelectric transducer are described. Such cells with a limited sample volume are needed for broad band ultrasonic relaxation spectrometry and for studies in chemical reaction kinetics, particularly for frequencies below 200 kHz. Measurement and evaluation procedures are described and an example of a broad band spectrum is shown.Keywords
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