Anodic stripping voltammetry coupled with design of experiments for simultaneous determination of Zn+2, Cu+2, Pb+2, and Cd+2 in gasoline

► Design of experiments for voltammetric determination of metals in gasoline samples. ► Wet digestion method assisted by microwave oven applied for gasoline digestion. ► Method can be used as a routine tool for simultaneous metal determination in gasoline.