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Tech. Q. Master Brew. Assoc. Am., 1983, 20(4), 160-163. English
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Automated alcohol and original gravity analyser: a new aid to brewing.

Sartor, D.J. and Sherry, N.B.

Abstract
The use of the Technicon Beer Analyzer (TBA 100) at Anheuser-Busch is described. This instrument was selected from other analysers because of its precision, versatility and speed of analysis. In this instrument the exposure of a beer sample to a sodium perchlorate reagent produces an endothermic reaction and the temperature dependent resistance changes of a thermistor are used to measure the temperature in a reaction cell using a modified Wheatstone bridge. The analyser is now in use in all Anheuser-Busch breweries. Comparisons are given of the results of automatic and manual determination of alcohol for a number of Anheuser-Busch beers.
Keywords: alcohol analysis brewing original gravity (determination of)