
IM 12A06S01-00EN-P
46
Table A2.1: NIST (IEC 60746-2) / DIN 19266
T
[°C]
0
5
10
15
20
25
30
35
38
40
45
50
55
60
70
80
90
95
1.68
pH
1.668
1.670
1.672
1.675
1.679
1.683
1.688
1.691
1.694
1.700
1.707
1.715
1.723
1.743
1.766
1.792
1.806
4.01
pH
4.003
3.999
3.998
3.999
4.002
4.008
4.015
4.024
4.030
4.035
4.047
4.060
4.074
4.091
4.126
4.164
4.205
4.227
6.87
pH
6.984
6.951
6.923
6.900
6.881
6.865
6.853
6.844
6.840
6.838
6.834
6.833
6.834
6.836
6.845
6.859
6.877
6.886
9.18
pH
9.464
9.395
9.332
9.276
9.225
9.180
9.139
9.102
9.081
9.068
9.038
9.011
8.985
8.962
8.921
8.885
8.850
8.833
Table A2.2: DIN 19267 (German buffers) so called: technical buffer solutions
T
[°C]
0
10
20
25
30
40
50
60
70
80
90
4.65
pH
DIN
4.670
4.660
4.650
4.650
4.650
4.660
4.680
4.700
4.720
4.750
4.790
6.79
pH
DIN
6.890
6.840
6.800
6.790
6.780
6.760
6.760
6.760
6.760
6.780
6.800
9.23
pH
DIN
9.480
9.370
9.270
9.230
9.180
9.090
9.000
8.920
8.880
8.850
8.820
Table A2.3: US technical buffers
T
[°C]
0
5
10
15
20
25
30
35
40
45
50
55
60
4.0
pH
US
4.000
3.998
3.997
3.998
4.001
4.005
4.001
4.018
4.027
4.038
4.050
4.064
4.080
7.0
pH
US
7.120
7.090
7.060
7.040
7.020
7.000
6.990
6.980
6.988
6.978
6.970
6.890
6.980
10.0
pH
US
10.317
10.245
10.179
10.118
10.062
10.012
9.966
9.926
9.889
9.856
9.828
9.828
9.828
Table A2.4: Free Programmable buffer 1
T
[°C]
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
Buffer
4
3.973
3.980
3.990
3.990
4.000
4.010
4.010
4.020
4.040
4.060
4.080
4.080
4.090
4.100
4.100
4.120
4.120
Table A2.5: Free Programmable buffer 2
T
[°C]
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
Buffer
7
6.907
6.930
6.960
6.980
7.000
7.010
7.020
7.030
7.040
7.050
7.060
7.070
7.080
7.090
7.100
7.110
7.120
Table A2.6: Free Programmable buffer 3
T
[°C]
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
Buffer
9
9.480
9.350
9.220
9.130
9.000
8.900
8.570
8.460
8.400
8.250
8.280
8.170
8.090
8.030
7.900
7.720
7.580
11.2 Appendix 2: Buffer tables and matrix compensation pH
The following table shows the details of the buffer solutions selectable in Calibration settings
(see section 4.1.9). Setting can be done by HOST system, unit is pH.
• Buffer tables