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. 2021 Jun 18;21(12):4187. doi: 10.3390/s21124187

Figure 8.

Figure 8

Sensors’ responses to different simulated mixtures in 0% RH. A. 1.5 ppm acetone, 2.5 ppm ethanol, 1 ppm propane; B. 1.5 ppm acetone, 1 ppm ethanol, 2.5 ppm ethylbenzene; C. 1.5 ppm acetone, 1.5 ppm ethanol, 1 ppm ethylbenzene, 1 ppm propane; D. 1.5 ppm acetone, 1.5 ppm ethanol, 1 ppm propane; E. 1.5 ppm acetone, 1.5 ppm ethanol, 0.5 ppm ethylbenzene, 0.5 ppm propane; F. 1.5 ppm acetone, 1 ppm ethanol, 1 ppm ethylbenzene, 0.5 ppm propane; (a) TGS1820; (b) TGS2620; (c) TGS8100; (d) MQ3; (e) MICS5524; (f) SGP30 eCO2; (g) SGP30 tVOC.