A PVC membrane electrode for lead ion based on 1,2- bis(salicylidin aminooxy) ethane as a neutral carrier was prepared. The electrode exhibits a near Nernstion response (26/49±0/7 mv/decade) for lead ion over a relatively wide concentration rang (1/0×10 -6 to 1/0×10 -1 ) with a limit detection 7/6×10-7M. It has a releatively fast reasponse time (<10 s). The proposed membrane electrode revealed very good selectivity in the PH= 4-7. The influence of membrane composition enthe electrode response was studied. The proposed electrode was used for the determination of lead ion in wastewater, water and wastewater of manufactory.