Hach-Lange SI792 P, SI792x P, SI792x P-FF, SI792x P-PA User Manual - Manual (Page 104)

Buffer tables
102
Values above 50 °C are not traceable to NIST.
Table 33 Hamilton Duracal buffers
°C pH 4 pH 7 pH 10
0 4.01 1
1 Extrapolated values
7.12
1
10.19
1
5 4.01 7.09 10.19
10 4.00 7.06 10.15
15 4.00 7.04 10.11
20 4.00 7.02 10.06
25 4.01 7.00 10.01
30 4.01 6.99 9.97
35 4.02 6.98 9.92
40 4.03 6.97 9.86
45 4.04 6.97 9.83
50 4.06 6.97 9.79
55
4.08
1
6.98
1
9.77
1
60
4.1
1
6.98
1
9.75
1
65
4.13
1
6.99
1
9.74
1
70
4.16
1
7.00
1
9.73
1
75
4.19
1
7.02
1
9.73
1
80
4.22
1
7.04
1
9.73
1
85
4.26
1
7.06
1
9.74
1
90
4.3
1
7.09
1
9.75
1
95
4.35
1
7.09
1
9.75
1