伏安极谱法测定盐水中的总砷

Arsenic: Electrolyte: HCl, 30% AE: Pt (special intermediate electrolyte vessel required) RE: Ag/AgCl/KCl 3M Parameters: DPASV (+50 mV), special Au-RDE Umeas = 1200 mV (60s), Umeas = 200 mV (10s), Umeas = 200 mV (15s) without stirring, Ustart = 200 mV, Uend = + 300 mV Ep (As) = + 150 mV