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9
APPENDIX
This appendix is to be used as a reference. The information provided here is
theoretical.
Sodium Concentration
Theoretical Preamp Input with Sensors (mV)
0.01 ppb
-476.63
0.02 ppb
-458.82
0.05 ppb
-435.27
0.1 ppb
-417.47
0.2 ppb
-399.66
0.5 ppb
-377.11
1 ppb
-358.31
2 ppb
-340.5
5 ppb
-316.95
10 ppb
-299.15
20 ppb
-281.34
50 ppb
-257.79
100 ppb
-239.99
200 ppb
-222.18
500 ppb
-198.63
1 ppm
-180.83
2 ppm
-163.02
5 ppm
-139.47
10ppm
-121.67
Approximate electrode mV outputs for calibrations using Waltron Electrodes:
Refillable Reference Electrode
Gel-Filled Reference Electrode
mV 1 (100 ppb)
mV 2 (1 ppm)
mV 1 (100 ppb)
mV 2 (1 ppm)
240-260 mV
180-200 mV
240-260 mV
180-200 mV