ABB Sonde Ammoniac 8002 Manuel D'instructions page 9

3 PROBE MEASUREMENTS...
100
90
80
70
60
+
pK of NH
50
4
40
30
20
10
0
pH
6 7 8 9 10 11 12 13 14
Fig. 3.1 Ammonia Content vs pH (25°C)
-200
-100
mV
0
10 - 10 - 10 - 10 - 10 - 10 -
4 2
6 5 3 1
M
–1
0.01
1
0.1 10 100 1000 mgl [NH ]
3
Fig. 3.2 Typical Ammonia Probe Calibration Graph
7