Abstract
Abstract A rapid and accurate method is described for determining proof of alcoholic products containing dissolved solids. Samples are distilled in a Jaulmes distillation unit and alcohol concentration is determined by a proof hydrometer. Shortened analysis time is due to the rapid distillation rate afforded by the Jaulmes unit. Recovery data and comparisons with results by a modified AOAC method are presented for 18 commercial alcoholic beverages. Results obtained, using the 2 methods, were in good agreement; a maximum difference in results of 0.4° proof was found for 2 of the 18 samples tested.
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