Storage Stability of Volatile Organic Compounds from Petrochemical Plant of China in Different Sample Bags

Table 3

The VOCs recovery rates in 6 days.

VOCs	R (t = 6 h)		R (t = 24 h)		R (t = 48 h)		R (t = 3 d)		R (t = 6 d)
	PEA	PVF	PEA	PVF	PEA	PVF	PEA	PVF	PEA	PVF
Trichloromethane	1	1	0.947	0.923	0.906	0.803	0.762	0.701	0.295	0.230
Benzene	1	1	0.958	0.933	0.917	0.902	0.871	0.830	0.761	0.710
Toluene	1	1	0.931		0.902		0.863		0.662
2-Methyl-2-butene	1	1	0.980	0.920	0.949	0.873	0.849	0.739	0.460	0.300
1,3-Cyclohexadiene	1	1	0.932	0.981	0.901	0.805	0.700	0.62	0.282	0.245
2,2-Dimethylpropane	1	1	0.962	0.820	0.879	0.724	0.821	0.571	0.496	0.281
Isopentane	1	1	0.976	0.910	0.924	0.900	0.789	0.740	0.574	0.499
Cyclopentane	1	1	0.965	0.943	0.957	0.922	0.876	0.858	0.769	0.72
3-Methylpentane	1	1	0.941	0.925	0.92	0.916	0.757	0.681	0.544	0.469
2,2-Dimethylpentane	1	1	0.941	0.918	0.930	0.861	0.747	0.666	0.510	0.437
3,3-Dimethylpentane	1	1	0.928	0.911	0.925	0.831	0.733	0.649	0.495	0.423
Cyclohexane	1	1	0.982	0.981	0.936	0.913	0.849	0.834	0.719	0.7
2-Methylhexane	1	1	0.918	0.91	0.901	0.808	0.723	0.624	0.45	0.400
2,2,4-Trimethylpentane	1	1	0.910	0.901	0.902	0.793	0.697	0.597	0.425	0.380
Average/SD									0.532	0.446