Abstract
The solubility of ozone in pure water and aqueous solutions of sulfuric, phosphoric, and perchloric acids was determined at 20°C. An increase in the concentration of H3PO4 and HClO4 (to 14.8 and 9.5 M, respectively) caused a monotonic decrease in the solubility of ozone. The solubility of ozone in sulfuric acid was minimum at a 12 M concentration; the solubility then increased and, in 17.9 M H2SO4, reached almost the same value as in pure water. The ratio between the concentrations of O3 in solution and the gas phase was 0.276 in pure water, 0.122 in 12 M H2SO4, and 0.265 in 17.9 M H2SO4. The results obtained are compared with the available literature data.
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