%0 Journal Article %T Preconcentration and Determination of Lead for Trace Levels in Water and Wastewater Samples by Vortex-Assisted Microextraction Using TPAS as a New Synthetic Complexing Agent with Electrothermal Atomic Absorption Spectroscopy Detection %A Moradi, Hassanali %A Eshghi, Hossein %A CHamsaz, Mahmod %A Bakavoli, Mehdi %A Darroudi, A %A Dousti, F %A Zakeri Mofrad, I %J Iranian Journal of Chemistry and Chemical Engineering %@ 1021-9986 %D 2017