Thermo Fisher Scientific Alpha pH 550 - Manual (Page 42)

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10 APPENDICES
10.1 Appendix 1 – pH Buffer Values at Various Temperatures
The following table shows the various pH values at different temperature of the
solution during calibration.
Temperature
( o C)
pH 4.01 pH 6.86 pH 7.00 pH 9.18 pH 10.01
0 4.01 6.98 7.12 9.47 10.32
5 4.01 6.95 7.09 9.38 10.25
10 4.00 6.92 7.06 9.32 10.18
15 4.00 6.90 7.04 9.27 10.12
20 4.00 6.88 7.02 9.22 10.06
25 4.01 6.86 7.00 9.18 10.01
30 4.01 6.85 6.99 9.14 9.97
35 4.02 6.84 6.98 9.10 9.93
40 4.03 6.84 6.97 9.07 9.89
45 4.04 6.83 6.97 9.04 9.86
50 4.06 6.83 6.97 9.01 9.83
55 4.08 6.83 6.97 8.99 9.81
60 4.10 6.84 6.98 8.96 9.79
70 4.12 6.85 6.99 8.92 9.76
80 4.16 6.86 7.00 8.89 9.74
90 4.20 6.88 7.02 8.85 9.73
10.2 Appendix 2 – Abbreviations Used in LCD
Abbreviation Description
ASy Asymmetrical mode
AtC Automatic Temperature Compensation
bUFF Buffer
CAL Calibration
C.ºC Calibration temperature
CdAt Electrode properties