Double Junction Silver Chloride Reference Electrode

Part Number
RREF0024

The standard double junction silver/silver chloride (Ag/AgCl) reference electrode contains two filling solutions: the inner filling solution is 4M KCl with AgCl, while the outer filling solution is composed of 10% KNO3.  Only the outer fill solution comes in contact with electrolyte via the ceramic frit at the bottom, allowing Ag/AgCl to be used while avoiding chloride contamination.  The outer fill solution may also be drained manually and refilled with a different aqueous solution of the user’s choice.  The reference electrode fits through the standard 14/20 ground glass joints found on our standard electrochemical cells.  A PTFE sleeve (included) facilitates mounting the reference electrode in the joint.

Compatibility Notice
Avoid using this reference electrode with the following: NH3 buffers, sulfides, perchlorates, non-aqueous/organic solvents, and alkaline solutions stronger than 0.1M OH.
Thermal Stability Range: 10°C - 80°C
Electrode damage may occur at temperatures beyond recommended range.
Reference Electrodes
Body diameter
Body material
borosilicate glass
Electrode length
External fill solution
Frit material
Reference chemistry
Refillable
Standard potential
Typical input impedance
< 10 kΩ
Typical Variance
±3 - 5 mV
When possible, we add published articles, theses and dissertations, and books to our references library. When we know this product has been used, we will include it in this list below. If you have a reference where our product was used and it's not in this list, please contact us with the details and we will add it.
  1. Chen et al. The promoting effect of tetravalent cerium on the oxygen evolution activity of copper oxide catalysts. Physical Chemistry Chemical Physics, 2017, 19, 31545-31552.
Document #
Title
Type
View
Download
DRP10026
Double Junction Ag/AgCl Reference Electrode Product Guide
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