. 2019 Apr 1;32(6):1289–1298. doi: 10.1021/acs.chemrestox.9b00085

Table 1. Measurements of Gas-Phase Radical Levels in Different Smoking and Vaping Products with the PBN Spin Trap in Toluene^a.

aerosol	rel. int.	n [nmol]
3R4F	1	25.9 ± 0.6
IQOS	0.016	0.394 ± 0.055
MESH	0.010	0.251
Solaris	0.008	0.193
air	0.010	0.256

Shown are the relative double integral of the signal with respect to the signal of 3R4F research cigarettes and the amount of radicals n trapped per cigarette, e-cig, or IQOS tobacco stick.

Table 1. Measurements of Gas-Phase Radical Levels in Different Smoking and Vaping Products with the PBN Spin Trap in Toluenea.

Table 1. Measurements of Gas-Phase Radical Levels in Different Smoking and Vaping Products with the PBN Spin Trap in Toluene^a.