铁的标准电极电位:j=0.70
锡的标准电极电位:j=0.14
计量点前(滴定误差-0.1%):j = 0.14+(0.059/2)×3=0.23
计量点(sp):j =(0.14x2+0.70)/(2+1) =0.33
计量点后(滴定误差0.1%):j =0.70+0.059×(-3) =0.52
突跃范围:0.23V—0.52V
铁的标准电极电位:j=0.70
锡的标准电极电位:j=0.14
计量点前(滴定误差-0.1%):j = 0.14+(0.059/2)×3=0.23
计量点(sp):j =(0.14x2+0.70)/(2+1) =0.33
计量点后(滴定误差0.1%):j =0.70+0.059×(-3) =0.52
突跃范围:0.23V—0.52V