12-Series Nitrate Ion-Selective Electrode (ISE)

The 12-Series Nitrate Ion-Selective Electrode (ISE) is a premium laboratory or field electrode offering excellent performance and longevity in many water applications such as drinking water, agriculture applications and food/beverage.


Sensor Type: PVC Membrane

Range: 0.4-62,000 ppm (as NO3-)

Sample pH Range: 2.5-11

Slope: 55 ± 3 mV/ decade

Interferences: ClO4-, I-, ClO3-, F-


    Refillable reference, replaceable sensor modules and standard 12mm diameter and 120mm length

    • The refillable, double-junction reference gives the electrode more longevity over sealed reference designs
    • The replaceable sensor modules (PVC matrix sensor type) allow you to periodically replace the sensor, rather than the whole electrode
    • Suitable for all general purpose or more advanced applications

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