Video: Can science beat counterfeit detector pens?
Counterfeit detector pens use a starch-iodine reaction to identify fake bills.
But could you fool them with chemistry?
Researchers dive into the chemistry of iodine, its color and its clock reactions, all while making a little extra cash on the side.
Provided by American Chemical Society
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Video: Can science beat counterfeit detector pens? (2024, January 29)
retrieved 13 June 2025
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