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Table 5 Mean deposited mass (µg/cm2/puff) ± standard deviation and mean nicotine concentration (ng/cm2/puff) ± standard deviation from the VC 10; four QCMs per module and three replicate experiments per product and dilution

From: Application of dosimetry tools for the assessment of e-cigarette aerosol and cigarette smoke generated on two different in vitro exposure systems

Dilution (l/min) 0.125 0.250 0.500 1.000
Product 3R4F EPen 3R4F EPen 3R4F EPen 3R4F EPen
Mean mass 2.12 ± 0.34 3.34 ± 0.42 1.15 ± 0.08 1.69 ± 0.19 0.66 ± 0.12 0.72 ± 0.17 0.36 ± 0.04 0.34 ± 0.03
Mean mass ratio 0.63 0.68 0.92 1.07
Mean (nicotine) 93.94 ± 25.62 12.28 ± 2.83 46.25 ± 8.69 4.90 ± 1.13 23.07 ± 7.06 2.30 ± 0.92 10.02 ± 2.56 3.98 ± 1.46
Mean (nicotine) ratio 7.65 9.44 10.03 2.52
  1. Ratios are between the cigarette and the e-cigarette at each dilution (3R4F/ePen)