%0 Conference Proceedings %T Hollow fiber supported solid phase microextraction technique based on carbon nanotube reinforced sol-gel and differential pulsed anodic stripping voltammetry: a new technique for pre-concentration and determination of heavy metals. %A M. Khalili %A Z. Es Haghi %A Ronaghi, Gholam Hossein %A A. Khazaeifar %J 9th Iranian Biennial Electrochemistry Conference %D 2011