NAVI D-25 Instruction Manual page 206

● Conductivity and temperature coefficients for various
solutions
Sub- Conc.
Temp.
(ºC)
stance (wt%)
NaOH 15 5
10
15
20
30
40
KOH 15 25.2
29.4
33.6
42
NH 15 0.1
3
1.6
4.01
8.03
16.15 0.0632 3.01
HF 18 1.5
4.8
24.5
HCl 18 5
10
20
30
D-52/53/54/55
The following table shows the conductivity (converted to
25 ºC) and the temperature coefficient at that time, for
various kinds of solution.
Temp.
Cond.
coef.
(S/m)
(%/°C)
19.69 2.01
31.24 2.17
34.63 2.49
32.70 2.99
20.22 4.50
11.64 6.48
54.03 2.09
54.34 2.21
52.21 2.36
42.12 2.83
0.0251 2.46
0.0867 2.38
0.1095 2.50
0.1038 2.62
1.98 7.20
5.93 6.66
28.32 5.83
39.48 1.58
63.02 1.56
76.15 1.54
66.20 1.54
7.4 Conductivity measurement
Sub-
Temp.
stance (ºC)
NaCl 18
Na SO 18
2 4
Na CO 18
2 3
KCl 18
KBr 15
KCN 15
7 Reference
Temp.
Conc. Cond.
coef.
(wt%) (S/m)
(%/°C)
5 6.72 2.17
10 12.11 2.14
15 16.42 2.12
20 19.57 2.16
25 21.35 2.27
5 4.09 2.36
10 6.87 2.49
15 8.86 2.56
5 4.56 2.52
10 7.05 2.71
15 8.36 2.94
5 6.90 2.01
10 13.59 1.88
15 20.20 1.79
20 26.77 1.68
21 28.10 1.66
5 4.65 2.06
10 9.28 1.94
20 19.07 1.77
3.25 5.07 2.07
6.5 10.26 1.93
− − −
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