%0 Journal Article %T Simultaneous Determination of Benzene and Toluene in Pesticide Emulsifiable Concentrate by Headspace GC-MS %A Lidong Cao %A Hua Jiang %A Jing Yang %A Li Fan %J Journal of Analytical Methods in Chemistry %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/121783 %U http://dx.doi.org/10.1155/2013/121783