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Comparing the values of impedance and admittance for the three experimental setups (4, 2-inner, and 2-outer electrodes) at all frequencies of distilled water.
Distilled Water
f / kHz
Admittance (μS) 2-Outer Electrodes
Admittance (μS) 2-Inner Electrodes
Admittance (μS) 4-Electrodes
0.05
1.49
2.91
13.09
2
1.65
3.77
20.10
6
2.55
5.06
24.96
20
6.62
10.38
24.03
60
15.78
20.25
34.16
100
20.05
23.81
44.28
Calculated values of admittance and measured conductivity for different frequencies by the 4-electrode system
4-Electrodes
f = 0.05 kHz
f = 2 kHz
f = 20 kHz
f = 60 kHz
f = 100 kHz
Admittance (μS)
Conductivity (μS/cm)
Admittance (μS)
Conductivity (μS/cm)
Admittance (μS)
Conductivity (μS/cm)
Admittance (μS)
Conductivity (μS/cm)
Admittance (μS)
Conductivity (μS/cm)
Distilled Water
13.09
16.20
20.10
16.20
24.04
16.20
36.57
16.20
44.28
16.20
Mineral Water
184.08
320.33
191.14
320.33
204.03
320.33
163.53
320.33
122.06
320.33
Rain fall Water
37.84
79.56
39.75
79.56
45.23
79.56
48.85
79.56
53.69
79.56
River Water
218.35
359
220.41
359
234.77
359
188.88
359
143.33
359
Tap Water
243.70
429
258.40
429
282.73
429
235.10
429
171.61
429
calculated values of admittance and measured conductivity for different frequencies by the 2-outer electrode system
2-Outer Electrodes
f = 0.05 kHz
f = 2 kHz
f = 20 kHz
f = 60 kHz
f = 100 kHz
Admittance (μS)
Conductivity (μS/cm)
Admittance (μS)
Conductivity (μS/cm)
Admittance (μS)
Conductivity (μS/cm)
Admittance (μS)
Conductivity (μS/cm)
Admittance (μS)
Conductivity (μS/cm)
Distilled Water
1.491
16.20
1.65
16.20
6.62
16.20
15.78
16.20
20.05
16.20
Mineral Water
77.15
320.33
75.05
320.33
72.13
320.33
63.44
320.33
51.98
320.33
Rain fall Water
18.33
79.56
18.40
79.56
19.44
79.56
22.51
79.56
23.60
79.56
River Water
79.03
359
77.42
359
73.69
359
65.26
359
53.55
359
Tap Water
108.60
429
107.20
429
100
429
89.52
429
73.56
429
Calculated values of admittance and measured conductivity for different frequencies by the two-inner electrode system
2-Inner Electrodes
f = 0.05 kHz
f = 2 kHz
f = 20 kHz
f = 60 kHz
f = 100 kHz
Admittance (μS)
Conductivity (μS/cm)
Admittance (μS)
Conductivity (μS/cm)
Admittance (μS)
Conductivity (μS/cm)
Admittance (μS)
Conductivity (μS/cm)
Admittance (μS)
Conductivity (μS/cm)
Distilled Water
2.91
16.20
3.77
16.20
10.38
16.20
20.25
16.20
23.81
16.20
Mineral Water
216.85
320.33
208.53
320.33
201.52
320.33
184.76
320.33
155.85
320.33
Rain fall Water
51.32
79.56
49.73
79.56
46.76
79.56
41.675
79.56
34.72
79.56
River Water
215.94
359
212.23
359
204.36
359
187.76
359
158.41
359
Tap Water
292.19
429
287.76
429
280.97
429
259.77
429
219.78
429
the influence of the three experimental setups (2-Inner, 2-Outer and 4- Electrodes) on the impedance and admittance values.