Carbon dating can accurately determine the vintage

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Dec 3, 2009
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Carbon dating can accurately determine the vintage of the wine
That's where two decades of atomic bomb testing can offer clues, at least for wines made after 1963. Radioactive carbon released into the atmosphere during the blasts and then absorbed by grapes can be used to accurately determine wine vintages, according to a study presented March 21 at the National Meeting of the American Chemical Society. By comparing the level of a radioactive form of carbon (carbon-14) to the level of the more stable and abundant carbon isotope (carbon-12), Jones and his team from the University of Adelaide in Australia were able to determine a what year a wine was really made.

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