Double-Junction Saturated Calomel Reference Electrode, Neutral

Key Features

• Double-Junction Design for Superior Contamination Control

• Significantly reduces chloride leakage
• Protects chloride-sensitive systems
• Ensures long-term potential stability
• Ideal for multi-hour or multi-day chronoamperometry and EIS

• Neutral KCl Internal Electrolyte

• Improved compatibility with metals and metal-ion chemistry
• Reduced interference in CO₂RR and ORR studies
• More stable potential in low-ionic-strength environments

• Constructed with High Borosilicate Glass

• Excellent thermal shock resistance
• Strong chemical durability in acids, bases, and solvents
• Smooth surfaces that minimize contamination and simplify cleaning
• Long-term structural stability in laboratory environments

• Low Drift, Low Noise, High Stability

• Stable Hg/Hg₂Cl₂ calomel reference system
• Low impedance and low junction potential
• Smooth baseline performance for CV, LSV, EIS

• Broad Electrolyte Compatibility

• CO₂ reduction in near-neutral media
• Metal dissolution & corrosion studies
• ORR / HER / OER testing in chloride-limited environments
• Biological and environmental electrochemistry
• Sensitive transition-metal catalytic systems

Technical Specifications

Recommended Applications

• CO₂RR in neutral or mildly acidic electrolytes
• ORR kinetics with chloride-sensitive catalysts
• Transition-metal coordination chemistry
• Corrosion and passivation analysis
• Long-duration EIS / CA / CP experiments
• Environmental and biological electrochemistry

Customization Available (Fully Customizable by FrankLab)

Customizable Options

• Electrode length & diameter
• Junction type (ceramic / PTFE / ultra-low leakage)
• Intermediate chamber electrolyte (KCl, KNO₃, buffer systems)
• Tip geometry for microcells or thin-layer cells
• Bent or angled designs (30°–120°) for compact reactors
• Special caps or adapters for H-type cells, PEC cells, or flow reactors
• Salt-bridge compatible configurations