Gas-Purged Headspace Liquid Phase Microextraction System for Determination of Volatile and Semivolatile Analytes

Figure 4

Chromatograms of target compounds enriched by HS-LPME (a) and GP-HS-LPME (b) 1: Acenaphthylene; 2: Acenaphthene; 3: Fluorene; 4: Phenanthrene; 5: Anthracene; 6: Fluoranthene; 7: Pyrene; 8: Benzo[a]fluoranthene; 9: Chrysene; 10: Benzo[b]fluoranthene; 11: Benzo[k]fluoranthene.