Skip to main content
. 2021 Feb 1;8(6):2004078. doi: 10.1002/advs.202004078

Figure 4.

Figure 4

PCA plot using the data from 0.5Rh‐TiO2/SnO2, 1Rh‐TiO2/SnO2, and 2Rh‐TiO2/SnO2 sensors to demonstrate the discrimination of aromatic BTX compounds over the interferences from ethanol, HCHO, and CO (concentration: 1–5 ppm).