pH
|
0.2mol/L NaH2PO4(ml)
|
0.2mol/L Na2HPO4(ml)
|
5.7
|
93.5
|
6.5
|
5.8
|
92.0
|
8.0
|
5.9
|
90.0
|
10.0
|
6.0
|
87.7
|
12.3
|
6.1
|
85.0
|
15.0
|
6.2
|
81.5
|
18.5
|
6.3
|
77.5
|
22.5
|
6.4
|
73.5
|
26.5
|
6.5
|
68.5
|
31.5
|
6.6
|
62.5
|
37.5
|
6.7
|
56.5
|
43.5
|
6.8
|
51.0
|
49.0
|
6.9
|
45.0
|
55.0
|
7.0
|
39.0
|
61.0
|
7.1
|
33.0
|
67.0
|
7.2
|
28.0
|
72.0
|
7.3
|
23.0
|
67.0
|
7.4
|
19.0
|
81.0
|
7.5
|
16.0
|
84.0
|
7.6
|
13.0
|
87.0
|
7.7
|
10.5
|
89.5
|
7.8
|
8.5
|
91.5
|
7.9
|
7.0
|
93.0
|
8.0
|
5.3
|
94.7
|
