电位测量法之应用-酸碱滴定

V(NaOH)pH V1a delta pH/delta V V2b delta(delta(pH)/delta(V))/delta(V)

19.10 2.780

20.2 1.1 3.090.550.5636363640.275 2.049587

21.12 3.3 1.550.21 1.05-0.4563

22.22 3.4920.422222222 1.7750.29272

23.2 2.1 3.64 2.053 2.02510.31111

24.15 1.95 3.74 2.025-4 2.0375-560

25.1 1.9 3.85 1.925-1.1 1.975-46.4

26.1 1.95 3.93 1.925 4.5036E+13 1.925-9E+14

27.12 4.01 1.975 1.6 1.95-1.8E+15

28.12 4.082 2.8 1.987532

29.12 4.142#DIV/0!2#DIV/0!

30.2 2.1 4.2 2.05 1.2 2.025#DIV/0!

31.12 4.27 2.05#DIV/0! 2.05#DIV/0!

33 2.8 4.37 2.40.285714286 2.225#DIV/0!

35 3.9 4.46 3.350.094736842 2.875-0.29381

374 4.56 3.950.166666667 3.650.092813

394 4.6642 3.975 5.641026

414 4.764#DIV/0!4#DIV/0!

434 4.884#DIV/0!4#DIV/0!

454 4.994#DIV/0!4#DIV/0!

474 5.124#DIV/0!4#DIV/0!

49.14 4.14 5.27 4.070 4.035#DIV/0!

36.6 6.14 5.54 5.140.252336449 4.6050.442696

38.68.14 6.087.140.27 6.140.011507

38.78.24 6.128.190.0380952387.665-0.15207

38.88.34 6.28.290.88.24 1.325052

38.98.44 6.278.390.78.34-1

398.54 6.348.490.78.44-1.6E-13

39.28.74 6.598.64 1.6666666678.5657.733333

39.38.84 6.78.790.7333333338.715-6.22222

39.48.947.028.89 3.28.8419.73333

39.59.047.468.99 4.48.9412

39.69.148.749.0912.89.0484

39.79.249.399.19 6.59.14-63

39.99.449.959.34 3.7333333339.265-22.1333

409.5410.199.49 1.69.415-14.2222

40.19.6410.389.59 1.99.54 2.4

40.29.7410.569.69 1.89.64-1

40.359.8910.669.8150.89.7525-8.88889

40.510.0410.799.9650.8666666679.890.484848

40.610.1410.8410.090.410.0275-3.39394

40.710.2410.9110.190.710.14 2.666667

40.810.3410.9610.290.510.24-2

2

4

6

8

1012

14

0246810

一次微分

ta(V))/delta(V)

一次微分

V

12

91011V

次微分二次微分

4681012

V

pH-V

pH-V