%0 Journal Article %T A non-ionic surfactant-mediated sol–gel coating for solid-phase microextraction of benzene, toluene, ethylbenzene and o-xylene in water samples using a gas chromatography-flame ionization detector %A Sarafraz Yazdi, Ali %A Yekkebashi, Ali %J New Journal of Chemistry %@ 1144-0546 %D 2014