Methods The wasterwater samples were purified and enriched by SPME, then were determined with HRGC-HRMS for the concentration of dioxin in wastewater samples.

• 方法采用固相微萃取(SPME)装置对样品进行纯化和富集,以HRGC-HRMS分析废水中的二叶恶英类化合物。