Abstract
Epichlorohydrin can be extracted from aqueous solutions containing glycerin, monochlorohydrin and glycidol into carbon tetrachloride and determined by infrared spectrophotometry. The high-frequency component of the complex band at a wavenumber 1274 cm–1 is used as the analytical band. A three-fold excess of carbon tetrachloride over the aqueous phase is necessary for the quantitative extraction. A cell thickness of up to 1 mm can be used; the concentration limit of the solute in the aqueous phase is then 0·3 per cent. v/v.
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