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pH Calibration Buffer Table
The temperature coefficient of pH calibration buffers 4.01, 6.86, 7.00,
9.18 and 10.01 are stored inside the instrument. The buffers used to
calibrate the instrument must exhibit the same temperature
characteristics as the stored values.
°C
0
5
10
15
20
25
30
35
40
45
50
55
60
[Note: The actual reading of the instrument can differ from the values
shown be ±0.01 pH.]
Temperature coefficient of the pH buffers
4.00
6.86
4.01
6.98
4.00
6.95
4.00
6.92
4.00
6.90
4.00
6.88
4.00
6.86
4.01
6.85
4.02
6.84
4.03
6.84
4.04
6.83
4.06
6.83
4.07
6.83
4.09
6.84
9.18
4.01
9.46
4.01
9.39
4.01
9.33
4.00
9.28
4.00
9.23
4.00
9.18
4.01
9.14
4.01
9.10
4.02
9.07
4.03
9.04
4.04
9.02
4.06
8.99
4.08
8.97
4.10
12
7.00
10.01
7.11
10.32
7.08
10.25
7.06
10.18
7.03
10.12
7.01
10.06
7.00
10.01
6.98
9.97
6.98
9.93
6.97
9.89
6.97
9.86
6.97
9.83
6.97
9.80
6.98
9.78
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