Detection of Polycyclic Aromatic Hydrocarbons in Water Samples by Annular Platform-Supported Ionic Liquid-Based Headspace Liquid-Phase Microextraction

Figure 1

The device for APS-IL-LPME. (a) (1) Extraction bottle; (2) thermostatic water bath; (3) heating magnetic stirrer; (4) iron stand. (b) (5) The upper bottle; (6) the lower bottle; (7) annular extraction platform; (8) microsyringe; (9) ionic liquid droplets.

(a)

(b)