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    Verifying Whisky’s Authenticity Without Spilling a Drop

    Article obtained from Photonics RSS Feed.

    According to a study by the European Union’s Intellectual Property Office, counterfeit drinks cost the U.K. economy more than £200 million in lost revenue. To prevent that, researchers from the University of St. Andrews have developed a technique that relies on Raman spectroscopy to verify the authenticity of whiskies and other spirits.

    Previous, similar methods have been successful, but have required a small sample of the potentially pricey liquor: Some bottles have been known to sell for prices over £1 million. The challenge in the new spectroscopic system lies in recording a signal without interference from the glass container. Not only does the alcohol scatter light, the glass of the bottle can create a signal…

    Sep, 25 2020 |

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