Skip to main content
. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: Sens Actuators B Chem. 2014 Jan 18;195:171–176. doi: 10.1016/j.snb.2013.12.110

Table 1.

Cross-sensitivity of CO2 sensor for other gases in the expired and environmental air

Gas ΔImax (V) Maximum Interference (%)
1% CO2 0.170 /
Pure N2 0.010 5.8
165 ppm ethanol 0.014 8.2
20 ppm acetone 0.013 7.6
21 % O2 0.017 10.0
250 ppb NH3 0.017 10.0
100 ppb acetonitrile 0.019 11.2