Thermo Fisher Scientific Alpha COND 1000 - Manual (Page 41)

Operating Instructions Thermo Scientific Alpha COND 1000
33
Substance Concentration wt
%
Conductivity 10 -4 S/cm Conductivity
Coefficient
KBr 5 465 2.06
(15 C) 10 928 1.94
20 1907 1.77
KCN 3.25 507 2.07
(15 C) 6.5 1026 1.93
NH
4
Cl 5 918 1.98
10 1776 1.86
15 2586 1.71
20 3365 1.61
25 4025 1.54
(NH
4
)
2
SO
4
5 552 2.15
10 1010 2.03
20 1779 1.93
30 2292 1.91
12.4 Appendix 4 –Conductivity of Various Aqueous Solutions at 25°C
Conductivity Resistivity
Pure Water 0.05 uS/cm 18 M
Ω-cm
Power Plant Boiler Water 0.05 - 1 uS/cm 1 - 18 M
Ω-cm
Distilled Water 0.5 uS/cm 2 M
Ω-cm
De-ionized Water 0.1 - 10 uS/cm 0.1 - 10 M
Ω-cm
De-mineralised Water 1 - 80 uS/cm 0.01 - 1 M
Ω-cm
Mountain Water 10 uS/cm 0.1 M
Ω-cm
Drinking Water 0.5 - 1 mS/cm 1 - 2 M
Ω-cm
Waste-water 0.9 - 9 mS/cm 0.1 - 1 M
Ω-cm
Potable Water Maximum 1.5 mS/cm 0.7 M
Ω-cm
Brackish Water 1 - 80 mS/cm 0.01 - 1 M
Ω-cm
Industrial Process Water 7 - 140 mS/cm rarely stated
Ocean Water 53 mS/cm rarely stated