Comprehending Reference Electrode: the most desirable Hg/HgO Reference Electrode

 

Having a reliable and stable reference point is important in electrochemical experiments for providing precise measurements. And it is the reference electrodes that don on this responsibility, providing big relief. These electrodes have a steady potential, permitting the researchers to work with stable electrode potential without any interference. Though the market offers different types of reference electrodes, the Hg/HgO reference electrode is the mostly used in any alkaline environment.



The Mercury/Mercury Oxide electrode is made up of a mercury pool in a saturated solution of mercury oxide or HgO and potassium hydroxide or KOH, a strong alkaline electrolyte. This setup is best for electrochemical studies of water electrolysis, corrosion research, and alkaline fuel cells. Why this electrode is so much in demand is because if its stable high pH environment. The researchers get a reproducible and defined reference potential of +0.098 V (approx.) against the normal hydrogen electrode in 1 M KOH. This is comparatively very smooth to maintain and its potential remains steady with time if handled correctly. Nevertheless, the mercury electrodes pose certain safety and environment problems. And its utilization demands correct usage, discarding, and should be supervised only under lab settings for its mercury toxicity.



To conclude, Hg/HgO reference electrode is a precious for electrochemical reaction in alkaline medium, providing a regular and reproducible functionality. Though being used in a limited manner due to certain environmental considerations, this reference electrode is an important option in many research and industrial setups, where apt voltage control is of utmost priority. If you function in these sectors, then you should look for Dek Research’s products. They are known for their reliable reference electrodes. For more details, visit their website.

 

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