On the Low-Temperature Response of Semiconductor Gas Sensors

Table 1

Comparison of measured gas sensitivities to chemical data of the different analyte gases.

Analyte gas	𝑆gas [𝑐=100 ppm]	Solubility	𝑝𝐾a	𝑝𝐾b
NO2	30	hydrolyses(<2550 g/L)	−1.32
NO	28	0.067 g/L	−1.32
CO2	n.a.	0.0005 g/L	3.3
NH3	5	541 g/L		4.79
N2O	0.003	1.2 g/L		4.79