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HI7609829‑10: Ammonium selective electrode (ISE) is a combination
liquid membrane sensor used for the detection of free ammonium‑nitrogen
in freshwater samples. The sensor utilizes a polymeric membrane made
with ammonium ionophore in a PVC head and silver/silver chloride double
junction gel filled reference electrode. This sensor is used in place of the pH
sensor in the probe.
HI7609829‑11: The Chloride ISE is a combination solid state sensor used for the detection of free
chloride ions in freshwater samples. The sensor utilizes a silver chloride pellet housed in a PEI head
and a silver/silver chloride double junction gel filled reference electrode. This sensor is used in place
of the pH sensor in the probe.
HI7609829‑12: The Nitrate ISE is a combination liquid membrane sensor used for the detection of
nitrate nitrogen in freshwater samples. The sensor utilizes a polymeric membrane made with nitrate
ionophore in a PVC head and a silver/silver chloride double junction gel filled reference electrode. This
sensor is used in place of the pH sensor in the probe.
See Appendix C for details regarding the ISE sensors.
SENSOR DESCRIPTIONS
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