Calomel Reference Electrode

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$100.89

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Stock: In Stock
Model: RDDLZ-RE-6802-01
Weight: 1.00
SKU: RDDLZ-RE-6802-01

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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.

Specification

Model	RDDLZ-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

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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.

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