@article{paperid:1042875, author = {Sarafraz Yazdi, Ali and Yekkebashi, Ali}, title = {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}, journal = {New Journal of Chemistry}, year = {2014}, volume = {38}, number = {6}, month = {January}, issn = {1144-0546}, pages = {4486--4493}, numpages = {7}, keywords = {sol–gel hybrid organic–inorganic materials ; polyethyleneoxide; non-ionic surfactants}, }