The velocity of the oxidation of ferrous hydroxide with air was found to be independent of the quantity of ferrous hydroxide in a definite volume. The effect of temperature on the reaction was small. Caustic alkali does not promote the oxidation, and on the contrary, it decreases the velocity of oxidation, notwithstanding the reducing power of ferrous hydroxide increases with the increase of the concentration of alkali. From this result, we may suppose that the increase of the velocity of oxidation of carbohydrates or nickelous hydroxide by the addition of caustic alkali is not due to the increase of the velocity of primary reaction.
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Susumu Miyamoto (1927) studied this question.