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A New Tool Detects Counterfeit Whiskey—Without Wasting a Drop

posted onSeptember 21, 2020
by l33tdawg
Wired
Credit: Wired

There's nothing quite like the pleasure of sipping a fine Scotch whiskey, for those whose tastes run to such indulgences. But how can you be sure that you're paying for the real deal and not some cheap counterfeit? Good news: Physicists at the University of St. Andrews in Scotland have figured out how to test the authenticity of bottles of fine Scotch whiskey using laser light, without ever having to open the bottles. They described their work in a recent paper published in the journal Analytical Methods.

As we reported last year, there is an exploding demand for expensive rare whiskies—yes, even in the middle of a global pandemic—so naturally there has been a corresponding increase in the number of counterfeit bottles infiltrating the market. A 2018 study subjected 55 randomly selected bottles from auctions, private collectors, and retailers to radiocarbon dating and found that 21 of them were either outright fakes or not distilled in the year claimed on the label.

Ten of those fakes were supposed to be single-malt scotches from 1900 or earlier, prompting Rare Whisky 101 cofounder David Robertson to publicly declare, "It is our genuine belief that every purported pre-1900 bottle should be assumed fake until proven genuine, certainly if the bottle claims to be a single-malt Scotch whiskey." There's also an influx of counterfeit cheaper whiskies seeping into the markets, which could pose an even greater challenge, albeit less of a headline-grabbing one.

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