3H Replaceable-Membrane Electrolytic Cell, Relative Sealing, Single-Layer | ATOMFAIRProduct Type: Electrochemical cell
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, accessory matching, platform compatibility or configuration confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
This cell requires proper sealing of the reference electrode chamber to prevent electrolyte leakage due to the siphon effect. Membrane compatibility must be verified before use, and extended-length electrodes are necessary for operation.
- Sealing Requirement: The reference electrode chamber must be properly sealed using the internal threaded cap to prevent electrolyte leakage.
- Membrane Compatibility: Ion-exchange membrane compatibility with the electrolyte must be verified before assembly.
- Electrode Alignment: The working electrode must be aligned parallel to the membrane using the 360° rotatable PTFE core for optimal configuration.
- Luggin Capillary Gel: The Luggin capillary can be filled with gel to reduce electrolyte flow rate and enhance measurement stability.
- Gas Purging: A sub-surface sparger is included for gas purging, with different sparger shapes available for different experimental requirements.
Assemble the cell by installing the membrane and sealing the reference chamber. Align the electrodes and connect the sparger for gas purging before use.
Required Equipment: Ion-exchange membrane, Extended-length electrodes, Gel for Luggin capillary, Sub-surface sparger
- Inspect glass body and seals
Inspect the glass body and all seals for cracks or damage before assembly. - Install ion-exchange membrane
Install an ion-exchange membrane between the cathode and anode chambers using the chain-sealed connections. - Fill Luggin capillary with gel
Fill the Luggin capillary with gel to reduce electrolyte flow rate if desired. - Align working electrode
Align the working electrode parallel to the membrane by rotating the PTFE core. - Seal reference electrode chamber
Seal the reference electrode chamber by tightening the internal threaded cap to prevent siphon leakage. - Connect sub-surface sparger
Connect the sub-surface sparger for gas purging according to experimental requirements. - Verify membrane compatibility
Verify membrane compatibility with the electrolyte before filling the cell.
How does the Luggin capillary with <0.2mm tip aperture reduce uncompensated resistance (iR drop) in this cell?
The Luggin capillary separates the reference electrode from the working electrode and terminates with an aperture less than 0.2 mm at the tip. This geometry positions the reference electrode very close to the working electrode surface without physically shielding it, minimizing the electrolyte path length in the reference circuit. The resulting reduction in solution resistance between the reference and working electrodes directly lowers iR drop, improving the accuracy of potential control and measurement in three-electrode experiments.
What electrode dimensions are required for use with this cell, and why must extended-length electrodes be ordered separately?
The cell is designed with a 360° rotatable PTFE inner core and an elevated floor to eliminate solution hiding effects. Because of the deep immersion depth and the geometry of the single-layer body, standard-length electrodes cannot reach the proper working position relative to the membrane and Luggin capillary. The product explicitly states that extended-length electrodes are required and must be ordered separately, as they are not included. Using insufficiently long electrodes would prevent correct alignment parallel to the membrane and compromise measurement reproducibility.
What critical sealing precautions are necessary to prevent electrolyte leakage in the reference electrode chamber?
The reference electrode chamber uses internal threaded sealing that must be properly tightened; if not, the siphon effect will cause electrolyte leakage. The product instructions emphasize that proper sealing is essential to prevent leakage. Additionally, the Luggin capillary can be filled with a gel to reduce electrolyte flow rate, further stabilizing the reference junction. Inspecting all seals before assembly is recommended, and the cell is not intended for absolute sealing or vacuum applications.
The ATOMFAIR Single-Layer Relative Sealing 3H Replaceable-Membrane Electrolytic Cell features a Luggin capillary with <0.2mm tip aperture to minimize iR drop and a 360° rotatable PTFE core for precise electrode alignment, but requires extended-length electrodes ordered separately and careful sealing of the reference chamber to prevent siphon leakage.
Positive
- Low iR drop capillary design: Luggin capillary with <0.2mm tip aperture separates reference electrode from working electrode, effectively reducing uncompensated resistance for accurate potential measurements.
- Rotatable PTFE alignment core: 360° rotatable PTFE inner core allows precise electrode alignment parallel to the membrane, optimizing configuration for reproducible electrochemistry.
Trade-offs
- Extended-length electrodes required: Standard electrodes are incompatible; extended-length electrodes must be ordered separately, adding procurement complexity and cost.
- Siphon leakage risk from reference chamber: Internal threaded sealing of the reference electrode chamber is critical; improper sealing causes electrolyte leakage via siphon effect, compromising experiment integrity.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
