Green analysis of illicit drugs on banknote dust by Teresa Cecchi, Arianna Giuliani, Carlo Catini

“…No illicit drugs were found except cocaine in banknote dust. Its concentration ranged only one order of magnitude, from 2.76E+02 to 4.01E+03 mg of cocaine per gram of banknote dust, in agreement with previous results obtained with methanol as an extractant and organic modifier. …”
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Illicit drug use derived from wastewater-based epidemiology in Iran, their removal during wastewater treatment, and occurrence in receiving waters by Anvar Asadi, Shabnam Zarei, Nebile Daglioglu, Evsen Yavuz Guzel, Neda Ravankhah

“…There was no detection of cocaine, its metabolite benzoylecgonine, or 3,4-methylenedioxymethamphetamine in any of the samples. …”
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