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57
Reference
C
haracteristics of ammonia
electrode
Measurement range
The range where linearity is established between the logarithm of the ion
concentration and the electromotive force is called the measurement
range.
In general, the range for measuring ion concentration using ammonia
electrodes is a maximum of around 1
10
-1
mol/L and a minimum of around
1
10
-6
mol/L to 1
10
-5
mol/L.
Furthermore, when lower concentration is measured where the linearity is
not established, perform calibration at two points in the lower concentration
range.
Fig. 7 Calibration curve of ammonia electrode
Linea
Linearity is not seen.
Linearity is seen
Linearity is seen.
150
100
50
0
-50
-100
-200
-150
0.01
0.1
1
10
100
1000
Electromotive force
[
mV]
Ammonium ion consentration [mg/L]
Ammonium ion concentration [mol/L]
1×10
-6
1×10
-5
1×10
-4
1×10
-3
1×10
-2
Summary of Contents for 5002S-10C
Page 1: ...Instruction Manual Ammonia Electrode 5002S 10C ELECTRODE...
Page 8: ......
Page 26: ...14...
Page 38: ...26...
Page 58: ...46...
Page 74: ...62...
Page 77: ...65 Specifications External dimensions Unit mm 16 5 O D 18 85 150...