1 metrohm, Metrohm – Metrohm 914 pH / Conductometer User Manual
Page 77
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7 Appendix
pH Meter/Conductometer
￭￭￭￭￭￭￭￭
67
7.1.1
Metrohm
Table 6
Metrohm buffer solutions
Temp.
(°C)
Metrohm
pH
4.00
pH
7.00
pH
9.00
0
3.99
7.11
9.27
5
3.99
7.08
9.18
10
3.99
7.06
9.13
15
3.99
7.04
9.08
20
3.99
7.02
9.04
25
4.00
7.00
9.00
30
4.00
6.99
8.96
35
4.01
6.98
8.93
40
4.02
6.98
8.90
45
4.03
6.97
8.87
50
4.04
6.97
8.84
55
4.06
6.97
8.81
60
4.07
6.97
8.79
65
4.09
6.98
8.76
70
4.11
6.98
8.74
75
4.13
6.99
8.73
80
4.15
7.00
8.71
85
4.18
7.00
8.70
90
4.20
7.01
8.68
95
4.23
7.02
8.67
NOTE
Update
The values of the individual buffers with the corresponding tempera-
tures are kept up to date as far as possible.
However, they may be changed by the respective manufacturers.
This manual is related to the following products: