Abstract

Abstract An infrared spectrophotometric method has been developed for the determination of toxaphene in aqueous emulsions used for the eradication of ectoparasites in livestock. The active ingredient is "salted-out" of emulsion with sodium chloride and extracted with carbon tetrachloride, and an infrared spectrum is taken of the latter extract. Toxaphene concentration is obtained from its characteristic absorption peak at 1303 cm-1 by the baseline method. The infrared method has the advantages of speed, simplicity, and, especially, specificity over chemical procedures.

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