Abstract
A simple and rapid (15min) spectrophotometric method for the determination of subpercentage ethanol in beverages is based on the colour reaction between ethanol and Ce(IV). Other alcohols and reducing substances interfere, but may be minimized by distilling the alkali and mercuric chloride treated sample. Calibration was linear up to 0.78% v/v, with r.s.d. of 5.0% at the ethanol level of 0.34% v/v. the ethanol contents of a number of non‐alcoholic beverages and beer samples were determined and compared with results from AOAC and gas chromatographic methods.
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