Ultrasonic Measurements with Milliliter Liquid Samples in the 0.5–100 MHz Range

A resonator and a pulse method for relative ultrasonic absorption measurements in liquids from about 0.5 to 100 MHz are described and discussed. Due to the small sample volumes needed (around 1 ml) both techniques are suitable for relaxational studies on fast biochemical reactions. Cells are described, which have been operated with aqueous and organic media in a temperature range from − 10 to 80 °C.

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