7.1 Saved buffer series
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
82
￭￭￭￭￭￭￭￭
912/913/914 Meter
7.1.6 Merck CertiPUR 20 / Titrisol
Table 12 Merck CertiPUR 20 / Titrisol buffer solutions
Temp.
(°C)
Merck CertiPUR 20 / Titrisol
pH
2.000
pH
4.000
pH
7.000
pH
9.000
pH
12.000
0 2.010 4.050 7.130 9.240 12.580
5 2.010 4.040 7.070 9.160 12.410
10 2.010 4.020 7.050 9.110 12.260
15 2.000 4.010 7.020 9.050 12.100
20 2.000 4.000 7.000 9.000 12.000
25 2.000 4.010 6.980 8.950 11.880
30 2.000 4.010 6.980 8.910 11.720
35 2.000 4.010 6.960 8.880 11.670
40 2.000 4.010 6.950 8.850 11.540
45 2.000 4.000 6.950 8.820 11.435
50 2.000 4.000 6.950 8.790 11.330
55 2.000 4.000 6.950 8.760 11.185
60 2.000 4.000 6.960 8.730 11.040
65 2.000 4.000 6.960 8.715 10.970
70 2.010 4.000 6.960 8.700 10.900
75 2.010 4.000 6.960 8.680 10.800
80 2.010 4.000 6.970 8.660 10.700
85 2.010 4.000 6.980 8.650 10.590
90 2.010 4.000 7.000 8.640 10.480
95 - 4.000 7.020 - -
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 CertiPUR 20 and Titrisol product lines have the identical values.
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