11.6 Conductivity to TDS conversion factors
Conductivity
at 25 °C
84 µS/cm
447 µS/cm
1413 µS/cm
1500 µS/cm
8974 µS/cm
12.880 µS/cm
15.000 µS/cm
80 mS/cm
38
Appendix
TDS KCl
ppm value
factor
40.38
0.5048
225.6
0.5047
744.7
0.527
757.1
0.5047
5101
0.5685
7447
0.5782
8759
0.5839
52.168
0.6521
TDS NaCl
ppm value
factor
38.04
0.4755
215.5
0.4822
702.1
0.4969
737.1
0.4914
4487
0.5000
7230
0.5613
8532
0.5688
48.384
0.6048
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