The Oxygen-carrying Synthetic Chelate Compounds. V. Equilibrium with the Solid Compounds

Abstract

The preliminary study showed that the equilibrium oxygen pressure-was a function of the oxygen composition. The data indicate that the reaction is not simply the addition of oxygen to form the peroxide stoichiometrically with an accompanying phase change. However, the X-ray powder patterns of a chelate and its peroxide are distinctly different and, therefore, a phase change may be involved at some stage of the oxygenation. Powder patterns were then made of the chelate CoSaEn at various percentages of oxygenation. These data enable us to demonstrate a phase change and to fix the composition of the two phases existing during the process of phase change for this particular chelate.

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