Abstract

Abstract A new titrimetric method for the microdetermination of soluble iodides e.g., potassium iodide or cadmium iodide is described. The mechanism of the reaction in the presence of dilute hydrochloric acid is discussed. The determination is done within the limits of 20 mg to 50 μg for potassium iodide and from 15 to 1 mg with cadmium iodide. The experimental error does not exceed ±2%. Comparative analysis of potassium iodide by the proposed method and the official potassium iodate method is reported. The method has been applied successfully to determine potassium or sodium iodide in certain pharmaceutical preparations.

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