Sulfur analysis with the S module 5100 coulometric
multi EA 5100
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1
2
3
4
5
6
7
Figure 48Coulometric measuring cell
1 Indicator electrodes (black)
2 Gas inlet tube
3 Port for manual dosing
4 Electrolyte solution filling height
5 Cathode (red)
6 Anode (yellow)
7 Gas outlet
Electrodes
A diaphragm is located between the electrodes for generation (anode and cathode). The
diaphragm is only permeable for sulfations. This means that the diaphragm prevent
false analysis results due to undesired compounds.
The electrodes for indication are platinum electrodes.