Determination of lead and cadmium in rice samples by sequential injection/anodic stripping voltammetry using a bismuth film/crown ether/Nafion modified screen-printed carbon electrode

► An automated method for the determination of Pb2+ and Cd2+. ► SIA-ASV at Bi film/crown ether/Nafion modified screen-printed carbon electrode. ► A highly sensitive and high throughput method for determination of Pb2+ and Cd2+ in rice samples.