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    Fluoride Ion Selective Electrode

    Fluoride ion selective electrode (ISE) is a sensor designed to measure the concentration of fluoride ions in solution. Economical price fluoride ISEs are widely employed in environmental monitoring, water quality assessment, and industrial processes. Specific electrode needs to be used in conjunction with a reference electrode.
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    ATO fluoride ion selective electrodes (ISEs) are specialized sensors designed to measure the concentration of fluoride ions in a solution. Their selective sensitivity to fluoride ions makes them valuable tools for accurate and rapid ion concentration measurements.


    Model ATO-PF-20-1 ATO-PF-202-C
    Electrode Type Specific Electrode Composite Electrode
    Ion Fluoride Ion (F-) Fluoride Ion (F-)
    Standard Solution NaF NaF
    Measuring Range 1x10-6~10-1mol/L 1x10-5~10-1mol/L
    19ug/L~1.9g/L 190ug/L~1.9g/L
    Ionic Strength Adjuster (Powder) Small Amount of NaCl Small Amount of NaCl
    Sensitive Film Material Crystal Film Crystal Film
    Shell Material Polycarbonate Polycarbonate
    Working Temperature 5℃~45℃ 5℃~45℃
    Interface BNC (Q9 Type) BNC (Q9 Type)
    Reference Solution / Ag/ AgCl
    Working pH 4~8 4~8
    Dimension φ12*120mm φ12*120mm
    Reference Electrode ATO-232-01 Build-in
    Standard Ion Meter Model ATO-PHION-I510T


    Fluoride ion selective electrode ISE dimension


    Ion selective electrode ISE application

    Tips: Fluoride ion selective electrode working principle

    The fluoride ion-selective electrode (ISE) operates based on the Nernst equation, which describes the relationship between the concentration of an ion in solution and the voltage across the electrode. The ISE consists of a solid-state membrane selective to fluoride ions, typically made of lanthanum fluoride crystals. When immersed in a sample solution, the fluoride ions in the sample interact with the membrane, generating a potential difference. This potential is measured against a reference electrode, and the Nernst equation is applied to determine the fluoride ion concentration. The electrode's selectivity is crucial, ensuring minimal interference from other ions. The fluoride ISE finds applications in water quality monitoring, particularly in assessing fluoride levels for public health and environmental purposes.

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