Table 1. Comparison of limits of detection (LODs) obtained by NED-IMS and DT-IMS.

Humidity (%, RH)	LODs (ppb, S/N = 3)
	NED-IMS	DT-IMS31
0	0.42	0.51
30	0.59	0.80
70	0.35	1.00
100	0.58	1.40