Abstract Solid-phase microextraction (SPME) is a novel environment-friendly sample preparation technology developed in 90’s last century and evolving rapidly. The technique needs no organic solvents and the operation is simple and convenient. SPME combines extraction, concentration and sample injection procedures into one single step. SPME was developed from solid-phase extraction (SPE) te...学位：理学硕士院系专业：化学化工学院化学系_分析化学学号：20022503
