Metrohm 781 pH/Ion Meter User Manual
Page 165
9 Annex
780/781 pH/Ion Meter, Manual
155
Merck CertiPUR (25 °C)
Temp.
(°C)
MerC4.01
MerC7.00
MerC9.00
MerC10.00
pH 4.01
pH 7.00
pH 9.00
pH 10.00
0
-
-
-
-
5
4.00
7.09
9.22
10.22
10
4.00
7.06
9.16
10.16
15
4.00
7.04
9.10
10.10
20
4.00
7.02
9.05
10.05
25
4.01
7.00
9.00
10.00
30
4.01
6.98
8.96
9.94
35
4.03
6.98
8.93
9.90
40
4.03
6.97
8.89
9.86
45
4.05
6.97
8.87
9.80
50
4.06
6.97
8.84
9.73
55
-
-
-
-
60
-
-
-
-
65
-
-
-
-
70
-
-
-
-
75
-
-
-
-
80
-
-
-
-
85
-
-
-
-
90
-
-
-
-
95
-
-
-
-
When using Merck CertiPUR (20 °C) buffers, you have to select the buffer type "Merck Titrisol".
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