Ion-selective electrode (ISE)
In-Situ
The ammonium sensor is an ion-selective electrode (ISE) that is selective for the ammonium ion (NH4 +). It is a double-junction combination ISE with a silver/silver-chloride reference half-cell, PVC sensing membrane, and reference electrolyte gel. It measures the concentration in parts per million of ammonium ion in solution (calculated as nitrogen, ppm as N).
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