Research Article

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

Figure 2

The chromatograms of 6 h on the day of sampling. (a) The PEA airbag sample chromatogram of 6 h on the day of sampling. (b) The PVF (Tedlar) airbag chromatogram of 6 h on the day of sampling.
(a)
(b)