Appendix; Buffer Tables; Buffer Group 1 (Ref. 25 °C) Mettler Toledo Us; Buffer Group 2 (Ref. 25 °C) Mettler Toledo Europe (Default Buffer) - Mettler Toledo SevenGo Duo pro pH/ORP/Ion/Conductivity meter SG78 Mode D'emploi

11 Appendix

11.1 Buffer tables

SevenGo™ pH meters automatically correct for the temperature dependence of the pH buffer using the
val ues given in the tables below.
11.1.1 Buffer group 1 (ref. 25 °C) METTLER TOLEDO US
5
10
15
20
25
30
35
40
45
50
11.1.2 Buffer group 2 (ref. 25 °C) METTLER TOLEDO Europe (default buffer)
5
10
15
20
25
30
35
40
45
50
11.1.3 Buffer group 3 (ref. 20 °C) Merck standard buffers
5
10
15
20
25
30
35
40
45
50
pH/ORP/Ion/Conductivity meter SG78
7.09 4.00
7.06 4.00
7.04 4.00
7.02 4.00
7.00 4.00
6.99 4.01
6.98 4.02
6.97 4.03
6.97 4.04
6.97 4.06
7.09 4.01
7.06 4.00
7.04 4.00
7.02 4.00
7.00 4.01
6.99 4.01
6.98 4.02
6.97 4.03
6.97 4.04
6.97 4.06
7.07 4.04
7.05 4.02
7.02 4.01
7.00 4.00
6.98 4.01
6.98 4.01
6.96 4.01
6.95 4.01
6.95 4.01
6.95 4.00
10.25
10.18
10.12
10.06
10.01
9.97
9.93
9.89
9.86
9.83
9.45 2.02
9.38 2.01
9.32 2.00
9.26 2.00
9.21 2.00
9.16 1.99
9.11 1.99
9.06 1.98
9.03 1.98
8.99 1.98
9.16 2.01
9.11 2.01
9.05 2.00
9.00 2.00
8.95 2.00
8.91 2.00
8.88 2.00
8.85 2.00
8.82 2.00
8.79 2.00
Appendix
1.67
1.67
1.67
1.68
1.68
1.68
1.69
1.69
1.70
1.71
11.72
11.54
11.36
11.18
11.00
10.82
10.64
10.46
10.28
10.10
12.41
12.26
12.10
12.00
11.88
11.72
11.67
11.54
11.44
11.33
39