Abstract
A novel means of achieving a superior degree of carbonation by use of sodium bicarbonate and various latentiated acidifiers is presented. The physical chemical basis of the formulation depends on essentially total dissolution of the bicarbonate salt and the latentiated acidifier prior to formation of any free carbonic acid. Data are presented to show the feasibility of the use of glutaric anhydride as the acid precursor. The pH profile of hydrolysis of the anhydride and its behavior in the presence of nucleophiles such as CO 3 2 − , HPO 4 2 − , etc., are discussed. It is shown that a markedly greater degree of supersaturation with respect to carbon dioxide can be achieved by this route than is possible by the conventional method of dissolving sodium bicarbonate and a solid acid in water.
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