Sper Scientific 850037 Large Display Conductivity Pen - Manual (Page 50)

50
Acids: 1.0 - 1.6%/°C
Bases: 1.8 - 2.2%/°C
Salts: 2.2 - 3.0%/°C
Drinking water: 2.0%/°C
Ultra-pure water: 5.2%/°C
Average temperature coefficients of
standard electrolyte solutions are
expressed as %/°C of the conductivity
value at 25°C.
Temp
Range
°C
KCl
1M
KCl
0.1 M
KCl
0.01 M
Satu-
rated
NaCl
15 ~25 1.725 1.863 1.882 1.981
15 ~ 25
~35
1.730
(15 ~ 27°C) 1.906
1.937
(15 ~ 34°C) 2.041
25 ~ 35 1.762
(25 ~ 27°C) 1.978
1.997
(25 ~ 34°C) 2.101