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Aldrich® glass reference electrode

Double junction,

reference Ag/AgCl

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ceramic wick


flow rate (moderate)
−5-100 °C temperature

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General description

The reference electrode is used as a pair with an indication electrode to make a measurement. All types supplied with a 30 in. lead. All reference half-cells have a universal reference pin connector.

Help in selecting the correct electrode can be viewed at Electrode Selection Guide
Hints on Electrode Maintenance


ISE, titrations, avoids Ag+,Cl- ion interferences

Legal Information

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

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Potassium chloride solution

Andrew Jajack et al.
PloS one, 14(1), e0210286-e0210286 (2019-01-17)
Insurmountable detection challenges will impede the development of many of the next-generation of lab-on-a-chip devices (e.g., point-of-care and real-time health monitors). Here we present the first membrane-based, microfluidic sample preconcentration method that is continuous, quantifiable, simple, and capable of working

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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