Buffer Tables; Buffer Group 1 (Ref. 25 °C) Mettler Toledo Us; Buffer Group 2 (Ref. 25 °C) Mettler Toledo Europe (Default Buffer); Buffer Group 3 (Ref. 20 °C) Merck Standard Buffers - Mettler Toledo SevenGo Duo pro SG68 Instrucciones De Manejo

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/DO meter SG68
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
37