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Reference Electrodes

Selecting the ideal reference electrode chemistry and form factor for a given electrochemical system can be an important decision. Princeton Applied Research and Solartron Analytical offer a variety of options ranging from the popular Saturated Calomel Reference Electrode, or SCE, for aqueous systems to a Ag/AgNO3 reference electrode for use in organic solvents. A full list of available options is provided below.
Reference-Electrode K0077 Saturated Calomel Reference Electrode
  • Compatible with RDE0018 Analytical Cell Kit & K0047 Corrosion Cell Kit
  • 3.5" long
  • 14/20 Standard Taper Joint
  • 4 mm Porous Glassfrit on the end
  • Saturated Potassium Chloride filling solution
Reference-Electrode G0093 Mercury-Mercurous Sulfate Reference Electrode

This reference electrode is identical in physical configuration to the K0077 reference electrode except that the G0093 contains a mercury-mercurous sulfate inner element immersed in a saturated potassium sulfate solution. The electrode is employed in situations in which the use of the saturated calomel electrode would be unsatisfactory, for example, chloride analysis, silver analysis, etc.

  • Compatible with RDE0018 Analytical Cell Kit & K0047 Corrosion Cell Kit
  • 3.5" long
  • 14/20 Standard Taper Joint
  • 4 mm Porous Glassfrit on the end
  • Saturated Potassium Chloride filling solution
 
219811 Mercury-Mercury Oxide Reference Electrode

All plastic (PTFE/PP) configuration consisting of 4.24M potassium hydroxide solution. This electrode is ideal for alkali or fluoride media and is suitable for battery, energy, and electrochemical applications.

  • 5.5" long
  • 7mm Porous plastic frit on the end
  • 20% Potassium Hydroxide filling solution
 
Reference-Electrode-Tube-Assembly K0103 Non-Aqueous Reference Electrode

Incorporates a 14/20 standard taper joint for use with the K0065 reference electrode bridge tube. Inner element (not shown) is a silver wire immersed in Acetonitrile containing 0.1 M AgNO3. This electrode is employed in applications involving non-aqueous supporting electrolytes such as Benzene-Methanol, Acetonitrile and DMF.

  • Compatible with RDE0018 Analytical Cell Kit & K0047 Corrosion Cell Kit
  • 14/20 Standard Taper Joint
  • 4mm Porous Glass frit on the end

Ag/AgCl Reference Electrode (RDE0020, RDE0024, & RDE0022)

Consists of 3 individual parts that must be ordered separately to form a complete reference electrode assembly.

Reference-Electrode-Tube-Assembly RDE0020 Reference Electrode Tube Assembly
  • Compatible with RDE0018 Analytical Cell Kit & K0047 Corrosion Cell Kit
  • 14/20 Standard Taper Joint
  • 4 mm Porous Glass frit on the end
Reference-Electrode-Cap RDE0024 Reference Electrode Cap
  • Ag/AgCl Reference Wire
  • Integrated cable for connection to potentiostat cell cable
Filling-Solutions RDE0022 AgCl-KCl Filling Solution
  • Saturated in both AgCl and KCl
  • 125 mL
AgCl-Reference-Electrode K0265 Ag/AgCl Reference Electrode
  • Compatible with K0235 Flat Cell Kit & K0264 Micro-Cell Kit
  • 3 M NaCl/Saturated AgCl filling solution (sold Separately - part number SL0070)
  • 4 mm Porous Glass frit on the end
  • 9 cm long (glass body)
Vycor-Frits G0300 Porous Glass Frits (Replaces G0100 Vycor Frits)

  • Package of 5
  • 4 mm diameter
  • Includes 5 pieces of Teflon heat shrink tubing for mounting of frits
Polyethelyne-Frits G0194 Polyethylene Frits
  • For use in highly alkaline solutions, pH>10, where Porous Glass frits will dissolve
  • Package of 5
  • 4mm diameter
  • Includes 5 pieces of Teflon heat shrink tubing for mounting of frits