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Testing (and Tasting) Beer on Sight

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Hank Hogan, Contributing Editor

Kenneth S. Suslick was not under the influence, even though he was discussing an optical beer-testing technique that essentially tastes and smells a substance visually. Suslick, the Marvin T. Schmidt professor of chemistry at the University of Illinois at Urbana-Champaign, soberly noted that the new method successfully distinguishes various beers, detects dilution resulting from added water, and spots degassed, or flat, beer. The distinct tastes and smells of various beers show up visually in these colorimetric arrays, which are composed of dyes that change color when exposed to...Read full article

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    Published: September 2006
    Accent on ApplicationsApplicationsBasic Sciencegasesliquidsoptoelectronic noseSensors & Detectors

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