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Aqueous solution of phenol was irradiated with ultrasonic waves of sufficient intensity to induce cavitation. The phenol was exponentially degradated, because of the formation of reactive species produced by water decomposition and reaction with water and oxygen. The degradation pathway for phenol was similar to that of the phenol oxidation with ozone.

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The metallic mercury solubility in hydrocarbons (pentane, hexane, heptane, and octane) was determined in the temperature range from 5 to 40 °C by the cold-vapor atomic absorption method. The results, for pentane at 25 °C, were found to agree well with Kuntz’s result obtained by means of the ultraviolet absorption method, while those for hexane, heptane, and octane were found to agree well with Spencer’s results, which were obtained using a radioactivetracer technique in the above temperature range. The liquid-liquid distribution constant for metallic mercury between the above hydrocarbons and water was measured at 25 °C, and in each case was found to be equal to the ratio of the independent solubility in the hydrocarbon and in water.