Technical note
43
< NIST >
< DIN >
Calibration is performed using Nernst's equation with the above values.
Temp. (°C)
pH 1.68
pH 4.01
pH 6.86
pH 9.18
pH 12.46
0
1.67
4.00
6.98
9.46
5
1.67
4.00
6.95
9.39
13.25
10
1.67
4.00
6.92
9.33
13.03
15
1.67
4.00
6.90
9.27
20
1.68
4.00
6.88
9.22
12.64
25
1.68
4.01
6.86
9.18
12.46
30
1.69
4.01
6.85
9.14
12.29
35
1.69
4.02
6.84
9.10
40
1.70
4.03
6.84
9.04
11.99
45
1.70
4.04
6.83
9.04
50
1.71
4.06
6.83
9.01
11.73
55
1.72
4.08
6.83
8.99
Temp.
(°C)
pH 1.09
pH 3.06
pH 4.65
pH 6.79
pH 9.23
pH 12.75
0
1.08
3.10
4.67
6.89
9.48
13.37
5
1.09
3.10
4.66
6.87
9.43
13.37
10
1.09
3.10
4.66
6.84
9.37
13.37
15
1.09
3.08
4.65
6.82
9.32
13.17
20
1.09
3.07
4.65
6.80
9.27
12.96
25
1.09
3.06
4.65
6.79
9.23
12.75
30
1.10
3.05
4.65
6.78
9.18
12.61
35
1.10
3.04
4.65
6.77
9.13
12.45
40
1.10
3.04
4.66
6.76
9.09
12.29
45
1.11
3.04
4.67
6.76
9.04
12.14
50
1.11
3.04
4.68
6.76
9.00
11.98
55
1.11
3.04
4.69
6.76
8.96
11.84
Note
www.
GlobalTestSupply
.com
Find Quality Products Online at:
