LTH Electronics MXD73 - Appendix A - Solution Conversion

Appendix
- 30 -
MXD70 Electrodeless Conductivity
Setup and Operating Guide
Appendi
x
Appendix A - Solution Conversion
The following table provides some of the data points which have been used in the instrument to make
the conversion between conductivity and solution concentration.
Temperature Compensated Conductivity ( mS/cm @ 25°C )
% wt / vol NaOH NaCl HCl H
2
SO
4
H
3
PO
4
HNO
3
Salinity
1 53.2 17.6 103.0 48.5 11.25 60.0 20.0
5 223.0 78.3 432.0 237.0 32.9 275.0 90.0
10 358.0 140.0 709.0 427.0 61.1 498.0 170.0
20 414.0 226.0 -------- 709.0 117.0 763.0 320.0
Note: Salinity range is displayed by the instrument in parts per thousand concentration (p.p.t.), which
is the concentration in % shown above, multiplied by 100.
Temperature Compensation Slope ( % / ° C )
% / °C NaOH NaCl HCl H
2
SO
4
H
3
PO
4
HNO
3
Salinity
---------- 1.79 1.90 1.27 1.03 0.86 1.19 1.92