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Spectroscopic approaches for conformity analysis of e-liquids
issue is the presence of additives, illegal according to the European Directive. Some of the most important are caffeine, taurine and vitamin E. Cannabidiol (CBD), which is in the gray zone of the ...
Spectroscopy and Chemometrics for Conformity Analysis of e-Liquids: Illegal Additive Detection and Nicotine Characterization
glycol, glycerin, flavorings and nicotine, though there have been reports of non-compliant nicotine concentrations and the presence of illegal additives. This study explored spectroscopic techniques to ...