Metrohm 900 - DIN (According to DIN Standard 19267, 2012)

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32 Appendix
900 Touch Control
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501
Temp.
(°C)
NIST (according to DIN standard 19266, 2015-05)
pH
1.679
pH
4.005
pH
6.865
pH
9.180
pH
12.454
85 1.779 4.184 6.868 8.868 -
90 1.792 4.205 6.877 8.850 -
95 1.806 4.227 6.886 8.833 -
NOTICE
Update
The values of the individual buffers with the corresponding tempera-
tures are kept as up to date as possible.
However, they may be changed by the respective manufacturers.
The NIST buffers are identical to the buffer solutions that are used in
Chinese pharmacopoeia.
32.8.3 DIN (according to DIN standard 19267, 2012)
Table 25
DIN buffer solutions
Temp.
(°C)
DIN (according to DIN standard 19267, 2012-08)
pH
1.09
pH
3.06
pH
4.65
pH
6.79
pH
9.23
pH
12.75
0 1.08 - 4.67 6.89 9.48 -
5 1.08 - 4.66 6.86 9.43 -
10 1.09 3.10 4.66 6.84 9.37 13.37
15 1.09 3.08 4.65 6.82 9.32 13.15
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 3.05 4.66 6.77 9.13 12.44
40 1.10 3.04 4.66 6.76 9.09 12.29
45 1.10 3.04 4.67 6.76 9.04 12.13
50 1.11 3.04 4.68 6.76 9.00 11.98
55 1.11 3.04 4.69 6.76 8.97 11.84
60 1.11 3.04 4.70 6.76 8.92 11.69
65 1.11 3.04 4.71 6.76 8.90 11.56