Abstract
Herein, a new gas-cycle-assisted (GCA) headspace solid-phase microextraction (HS-SPME) device was designed to rapidly extract organic pollutants with highKowand boiling points, which have difficulty in volatilization from matrix to headspace. Organic pollutants, including three polycyclic aromatic hydrocarbons (PAHs), four polychlorinated biphenyls (PCBs), and five phthalate esters (PAEs), were selected to evaluate the performance of GCA HS-SPME. Compared with conventional HS-SPME, the equilibrium times of GCA HS-SPME for extraction of PAHs, PCBs, and PAEs were greatly shortened from 70-90 to 5-11 min. Moreover, the limits of detection for analysis of PAHs were achieved at pg mL−1level by GCA HS-SPME coupled with gas chromatography-flame ionization detection.
| Original language | English |
|---|---|
| Pages (from-to) | 8810-8813 |
| Number of pages | 4 |
| Journal | Chemical Communications |
| Volume | 57 |
| Issue number | 70 |
| Early online date | 6 Aug 2021 |
| DOIs | |
| Publication status | Published - 11 Sept 2021 |
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