14
pH V
AL
uES A
T V
Ari
Ou
S TE
m
PE
rA
Tur
ES
8. pH VALUES AT VARIOUS TEMPERATURES
Temp
pH Values
°C
°F
4.01
6.86
7.01
9.18
10.01
0
32
4.01
6.98
7.13
9.46
10.32
5
41
4.00
6.95
7.10
9.39
10.24
10
50
4.00
6.92
7.07
9.33
10.18
15
59
4.00
6.90
7.05
9.27
10.12
20
68
4.00
6.88
7.03
9.22
10.06
25
77
4.01
6.86
7.01
9.18
10.01
30
86
4.02
6.85
7.00
9.14
9.96
35
95
4.03
6.84
6.99
9.11
9.92
40
104
4.04
6.84
6.98
9.07
9.88
45
113
4.05
6.83
6.98
9.04
9.85
50
122
4.06
6.83
6.98
9.01
9.82
55
131
4.08
6.84
6.98
8.99
9.79
60
140
4.09
6.84
6.98
8.97
9.77
65
149
4.11
6.84
6.99
8.95
9.76
70
158
4.12
6.85
6.99
8.93
9.75
For instance, if the buffer temperature is 25 °C, the display should show
pH 4.0 or 7.0 or 10.0. If the buffer temperature is 10 °C, the display
should show pH 4.0 or 7.0 or 10.1.
pH VALUES AT VARIOUS TEMPERATURES