Studies of factors that impact electronic nicotine delivery systems (ENDSs) carbonyl compound (CC) emissions have been hampered by wide within-condition variability. In this study, we examined whether this variability may be related to heating coil temperature variations stemming from manufacturing differences. We determined the mean peak temperature rise (Δ) and CC emissions from 75 Subox ENDSs powered at 30 W. We found that Δ and CC emissions varied widely, with greater Δ resulting in exponentially higher CC emissions. Also, 12% of atomizers accounted for 85% of total formaldehyde emissions. These findings suggest that major reductions in toxicant exposure might be achieved through regulations focusing on limiting coil temperature.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10031554 | PMC |
| http://dx.doi.org/10.1021/acs.chemrestox.2c00391 | DOI Listing |
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