Honeywell APT4000PH User Manual page 52

Apt4000 series, 4-wire ph analyzers
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Buffer tables
-02-
Merck Titrisols, Riedel Fixanals
°C
pH
0
2.01
4.05
5
2.01
4.04
10
2.01
4.02
15
2.00
4.01
20
2.00
4.00
25
2.00
4.01
30
2.00
4.01
35
2.00
4.01
40
2.00
4.01
45
2.00
4.01
50
2.00
4.00
55
2.00
4.00
60
2.00
4.00
65
2.00
4.00
70
2.01
4.00
75
2.01
4.00
80
2.01
4.00
85
2.01
4.00
90
2.01
4.00
95
2.01
4.00
102
7.13
9.24
12.58
7.07
9.16
12.41
7.05
9.11
12.26
7.02
9.05
12.10
7.00
9.00
12.00
6.98
8.95
11.88
6.98
11.72
8.91
6.96
11.67
8.88
6.95
8.85
11.54
6.95
8.82
11.44
6.95
8.79
11.33
6.95
8.76
11.19
6.96
8.73
11.04
6.96
8.72
10.97
6.96
8.70
10.90
6.96
8.68
10.80
6.97
8.66
10.70
6.98
8.65
10.59
7.00
8.64
10.48
7.02
8.64
10.37
APT4000PH
-03-
Ciba (94) buffers
Nominal values: 2.06, 4.00, 7.00, 10.00
°C
pH
0
2.04
4.00
5
2.09
4.02
10
2.07
4.00
15
2.08
4.00
20
2.09
4.01
25
2.08
4.02
30
2.06
4.00
35
2.06
4.01
40
2.07
4.02
45
2.06
4.03
50
2.06
4.04
55
2.05
4.05
60
2.08
4.10
*
65
2.07
4.10
70
2.07
4.11
*
75
2.04
4.13
80
2.02
4.15
*
85
2.03
4.17
90
2.04
4.20
*
95
2.05
4.22
* Extrapolated
7.10
10.30
7.08
10.21
7.05
10.14
7.02
10.06
6.98
9.99
6.98
9.95
6.96
9.89
6.95
9.85
6.94
9.81
6.93
9.77
6.93
9.73
6.91
9.68
6.93
9.66
*
*
6.92
9.61
6.92
9.57
*
*
6.92
9.54
6.93
9.52
*
*
6.95
9.47
6.97
9.43
*
*
6.99
9.38
103
*
*
*
*

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