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伏安极谱法测定乙酸中的镉、铅、锑应用简报 Cadmium and lead: Electrolyte: NaCH3COO AE: Pt RE: Ag/AgCl/KCl 3M Parameters: DPASV (+50 mV), HMDE Umeas = –800 mV (90s), Ustart = –800 mV, Uend = –200 mV Ep (Cd) = – 560 mV, Ep (Pb) = –400 mV Antimony detection in the same vessel: Electrolyte: HCl 30% AE: Pt RE: Ag/AgCl/KCl 3M Parameters: DPASV (+50 mV), HMDE Umeas = –400 mV (180s), Ustart = –450 mV, Uend = –70 mV Ep (Sb) = –150 mV
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