Analyzer and Bench Meter
EN-47
13.3 Examples of temperature coefficients (α-value)
Table 13-6 Temperature coefficient examples
Substance at 25 °C
Concentration [%]
Temperature coefficient α [%/°C]
HCl
10
1.56
KCl
10
1.88
CH3COOH
10
1.69
NaCl
10
2.14
H2SO4
10
1.28
HF
1.5
7.2
α
-coefficients of conductivity standards for a calculation to a reference temperature of
25°C
Table 13-7
α
-coefficients of conductivity standards
Standard
Measurement
temp.: 15°C
Measurement
temp.: 20°C
Measurement
temp.: 30°C
Measurement
temp.: 35°C
84 μS/cm
1.95
1.95
1.95
2.01
1413 μS/cm
1.94
1.94
1.94
1.99
12.88 mS/cm
1.90
1.89
1.91
1.95
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