Table 3.

Mass median aerodynamic diameter (in μm) of particle mass, TWSE, WSOC and non-exchangeable organic hydrogen.

	Total	Coarse	Fine
Particle mass	0.68 ± 0.19	9.15 ± 2.75	0.39 ± 0.03
TWSE	0.46 ± 0.02	6.35 ± 0.45	0.39 ± 0.02
WSOC	0.43 ± 0.02	11.83 ± 2.20	0.37 ± 0.01
Organic hydrogen	0.41 ± 0.01	11.35 ± 1.45	0.34 ± 0.01
R–H	0.37 ± 0.01	7.00 ± 0.01	0.34 ± 0.01
H–C–C=	0.41 ± 0.03	7.13 ± 0.03	0.37 ± 0.02
O–C–H	0.48 ± 0.02	13.05 ± 1.95	0.31 ± 0.01
O–CH–O	0.73 ± 0.07	10.25 ± 0.25	0.40 ± 0.04
Ar–H	1.25 ± 0.65	10.10 ± 0.90	0.53 ± 0.12