Abstract:The concentrations of metals, acids, nicotine, and flavor chemicals were analyzed in four refill fluids before and after vaping in third-and-fourth-generation electronic cigarettes (ECs), and the effect of storing fluids in ECs on element/metal concentrations was determined. Metals and organic chemicals were analyzed using inductively coupled plasma optical emission spectroscopy, HPLC, and GC/MS. Maleic, benzoic, propionic, and citric acid were the refill fluid (0.032 to 5.498 mg/mL). Nickel, zinc, tin, seleni… Show more
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