Appendix; Buffer Tables - Mettler Toledo EL20 Instrucciones De Manejo

Appendix

8. Appendix
8.1

Buffer tables

Education Line pH meters automatically correct for the temperature dependence of the buffer pH using
the values given in the tables.
Buffer group 1 (ref.25 °C) MT US
5 7.09
0 7.06
5 7.04
20 7.02
25 7.00
30 6.99
35 6.98
40 6.97
Buffer group 2 (ref.25 °C) MT Europe
5 7.09
0 7.06
5 7.04
20 7.02
25 7.00
30 6.99
35 6.98
40 6.97
Buffer group 3 (ref. 25 °C) JJG 119 Chinese
5 .67
0 .67
5 .67
20 .68
25 1.68
30 .68
35 .69
40 .69
6
Five_pH_edu.indb 16
4.0 0.25 .67
4.00 0.8 .67
4.00 0.2 .67
4.00 0.06 .68
4.01 10.01 1.68
4.0 9.97 .68
4.02 9.93 .69
4.03 9.89 .69
4.0 9.45 2.02
4.00 9.38 2.0
4.00 9.32 2.00
4.00 9.26 2.00
4.01 9.21 2.00
4.0 9.6 .99
4.02 9. .99
4.03 9.06 .98
4.00 6.95 9.39
4.00 6.92 9.33
4.00 6.90 9.28
4.00 6.88 9.23
4.00 6.86 9.18
4.0 6.85 9.4
4.02 6.84 9.
4.03 6.84 9.07
.72
.54
.36
.8
11.00
0.82
0.64
0.46
3.2
3.0
2.82
2.64
12.46
2.29
2.3
.98
METTLER TOLEDO Education Line pH meter
12.03.2007 15:08:48