(0) Shopping cart
You have no items in your shopping cart.
Shopping Categories

    Calomel Reference Electrode

    Buy calomel reference electrode at economical price. This calomel electrode is a type of reference electrode commonly used in electrochemical measurements and experiments. Consists of a mercury-mercurous chloride (Hg/Hg2Cl2) electrode system, with a saturated potassium chloride (KCl) solution acting as the electrolyte.
    SKU: ATO-RE-6802-01
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Calomel reference electrodes are stable and have well-defined potential, making them suitable for accurate and reproducible measurements in various electrochemical applications, such as pH determination and cell potential measurements. 


    Model ATO-6802-01
    Electrode Type Calomel (Hg/ Hg2Cl2) Reference Electrode
    Reference Type Calomel Single Salt Bridge Type
    Salt Bridge Material Ceramic Sand Core
    Filling Liquid 3.8mol/L KCl
    Shell Material Glass
    Temperature Range 5℃~55℃
    Dimension φ12*120mm
    Connector U-Shaped Fork Piece


    Calomel reference electrode dimension


    Calomel reference electrode application

    Tips: Difference between saturated calomel electrode (SCE) and a silver/silver chloride electrode

    The saturated calomel electrode (SCE) and the silver/silver chloride electrode (Ag/AgCl) are both reference electrodes used in electrochemical measurements. The SCE consists of mercury, mercurous chloride (calomel), and a saturated potassium chloride solution. It provides a stable and reproducible reference potential, commonly used in chloride-containing electrolytes. However, SCE has some drawbacks, such as toxicity and the potential for mercury contamination.

    On the other hand, the Ag/AgCl electrode consists of a silver wire coated with silver chloride. It offers a non-toxic alternative with a stable potential, suitable for a wider range of applications. The Ag/AgCl electrode is especially useful in biological and environmental studies. Unlike the SCE, it avoids the environmental and health concerns associated with mercury. Both electrodes operate on the principle of a half-cell reaction involving chloride ions, but their composition and applications differ, allowing researchers to choose the reference electrode that best suits their experimental conditions.

    Write your review for Calomel Reference Electrode
    • Only registered users can write reviews
    • Bad
    • Excellent