Alcohol tester to catch drink fraud on its home ground

BAR owners who water down their beer or wine could be caught out by a briefcase-sized testing kit. The new device contains a spectrometer which measures alcohol content by passing infrared radiation through a sample, and then compares the spectrum of frequencies transmitted through the liquid with those of a reference sample. “It only takes 30 to 60 seconds,” says Dirk Lachenmeier of the Chemical and Veterinary Investigation testing agency in Karlsruhe, Germany, who helped develop and test the device. Test results published in Chemistry Central Journal (DOI:
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