@article{paperid:1022416, author = {Zarrin Es’haghi and Maryam Khalili and Ali Khazaeifar and Ronaghi, Gholam Hossein}, title = {Simultaneous extraction and determination of lead, cadmium and copper in rice samples by a new pre-concentration technique: Hollow fiber solid phase microextraction combined with differential pulse anodic stripping voltammetry}, journal = {Electrochimica Acta}, year = {2011}, volume = {56}, number = {3}, month = {January}, issn = {0013-4686}, pages = {3139--3146}, numpages = {7}, keywords = {solid phase microextraction;differential pulse anodic stripping voltammetry;}, }