Abstract

Abstract The induction period of the auto-oxidation of aqueous alkaline solutions of sodium salicylate has been examined by following the oxygen concentrations polarographically. The reaction is photochemical, and is catalysed by copper, iron and manganese, although the increase in rate is less than 150% of the rate of the uncatalysed reaction. Bicarbonate ions are not necessary for reaction, which is first order with respect to light intensity and oxygen and salicylate concentrations.

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