And a field analysis method of benzene, toluene, ethylbenzene and xylene (BTEX) by portable gas chromatography combined with headspace solid-phase microextraction (HS-SPME) was also developed.

• 建立了固相微萃取技术与便携式气相色谱联用，现场快速检测苯、甲苯、乙基苯、二甲苯（BTEX）的新方法。