article·1965-01-01

The Solubility and Diffusivity of Oxygen in Electrolytic Solutions

Keith E. Gubbins, Robert D. Walker

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Abstract

Measurements of the solubility of oxygen in sulfuric acid, phosphoric acid, and potassium hydroxide are reported, together with values of the diffusivity of oxygen in potassium hydroxide solutions at 25°C. It is shown that for the electrolyte concentrations commonly employed in fuel cells the solubility and diffusivity of oxygen may each be reduced to as little as 2% of their corresponding values for pure water.
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Research context

OpenAlex topics: Chemical and Physical Properties in Aqueous Solutions · Crystallization and Solubility Studies · Thermodynamic properties of mixtures

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