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Identification of detected chemicals.
| Spectral library matching | Previously reported in vaping liquids (database) | |
|---|---|---|
| Known (expected) | Unknown (unexpected) | |
| Known | Known Known (e.g., nicotine) | Known Unknown (e.g., cinnamaldehyde propylene glycol acetal) |
| Unknown | Unknown Known (e.g., n-nitrosonornicotine-NNN) | Unknown Unknown |
