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Appendix
8.
Appendix
8.1
Buffer tables
FiveEasy™ and FiveGo™ 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.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
METTLER TOLEDO FiveEasy™ / FiveGo™ pH meter
.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
12.03.2007 15:45:24
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