combined with a downstream potentiometric detection with solid contact polymeric membrane ion-selective microelectrodes. Following the preconcentration at the bismuth-coated electrode, the deposited ...

† Department of Biomedical Engineering, University of Memphis, Memphis, Tennessee 38152, United States ‡ Material Science Lab, Integrated Microscopy Center, University of Memphis, Memphis, Tennessee ...

The electrode exhibited a fast response time (< 20 s) with detection limit of 5.0 ×10-7 mol L-1, and can be used over a wide pH range of 6.0-9.5. It was successfully applied to the determination of ...