Chemical solution for detecting counterfeit paper currency
Abstract This invention relates to a solution for detecting counterfeit paper currency. The solution contains iodine at a concentration of from 0.005 to 3 grams/liter and one or more solvents selected from the groups consisting of: alcohols, ketones, polyalcohols, esters, ethers, or mixtures thereof of solvents belonging to the same group or to several groups …
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