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The interaction of Y(III) and Ba(II) ions in the solid poly(vinyl alcohol) (PVA)-copper(II) acetate system with propionic acid was studied. Two kinds of coordination structures were detected in the films cast from an aqueous solution containing PVA and copper(II) acetate. One was a mononuclear Cu(II) complex, with the other being a binuclear Cu(II) complex of the cupric-acetate type. A significant...
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