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以玻璃纤维滤膜采集焦炉烟气样品，比较了索氏提取和超声波提取两种前处理方法效果，用ＧＣ－ＭＳ法进行了分析研究，检出苯并［ａ］芘等多种多环芳烃类有机污染物，并对部分化合物进行了定量分析。
Coke oven flue gas samples were collected by using glass fiber filters. The effects of Soxhlet extraction and ultrasonic extraction were compared and analyzed by GC-MS. The results showed that many polycyclic rings such as benzo [a] pyrene Aromatic hydrocarbon organic pollutants, and some of the compounds were quantitatively analyzed.