[Retracted] Detection of Particle Concentration and Particle Size Based on Aerodynamic Particle Size Spectrometer

Table 8

Comparison of concentration measurement results between the equipment and ES632.

Time	Concentration measurement value (mg/m^3)
	This equipment	ES632	Relative deviation (%)
21:50:24	3.617	3.785461	3.00
21:50:54	3.448	3.668595	5.97
21:51:24	3.541	3.595246	1.0
21:51:54	3.450	3.689845	4.59
22:20:24	2.150	2.978528	13.12
22:20:54	2.049	2.597448	9.58
22:21:24	2.098	2.986428	8.99
22:21:54	2.065	2.598724	20.25
23:50:24	0.296	0.189422	-0.05
23:50:54	0.287	0.359728	14.98
23:51:24	0.259	0.248722	5.78
23:51:54	0.157	0.249782	-4.59
0:20:24	0.159	0.154358	5.89
0:20:54	0.059	0.154781	10.31
0:21:24	0.014	0.167245	15.88
0:21:54	0.024	0.159713	9.43