摘要
本文研究了超临界流体的压力,温度和超临界CO_2的用量对超临界流体萃取多环芳烃回收率的影响及其影响规律,并建立了从环境模拟样品中萃取多环芳烃的萃取条件.还考察了在最佳萃取条件下超临界流体萃取多环芳烃的精密度,其RSD在3.71%～7.41%之间.
The effects of pressure, temperature and quantity f CO supercritical fluid on the recovery of polycyclic aromatic hvdrocarbons (PAHs) were studied. The extraction (?) En(?)ns of PAHs in simulated environtmental samples are estab-lished. The precision of extraction was in vestigated under ogtimum conditions. The RSD was 3.7%~6.6%.
出处
《分析仪器》
CAS
1996年第1期55-58,共4页
Analytical Instrumentation
