GCD-4300 Deuterium Gas Generator
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | GCD-4300 |
| Pricing | Available Upon Request |
| Deuterium Purity | Dependent on Feedstock Heavy Water Purity |
| Flow Rate | 0–300 mL/min |
| Operating Pressure | 0–0.4 MPa |
| Power Consumption | 150 W |
| Dimensions (W×D×H) | 360 × 200 × 260 mm |
| Net Weight | ~10 kg |
Overview
The GCD-4300 Deuterium Gas Generator is an electrolytic gas synthesis system engineered for reliable, on-demand production of high-purity deuterium (D₂) gas from heavy water (D₂O) feedstock. Unlike compressed gas cylinders, this generator eliminates logistical constraints, safety hazards associated with high-pressure storage, and batch-to-batch variability in isotopic purity. It operates on the principle of solid polymer electrolyte (SPE) membrane electrolysis—where deuterium oxide undergoes controlled decomposition under DC current to yield deuterium gas at the cathode and oxygen at the anode. The system is designed for continuous, stable output in laboratory environments requiring isotopically enriched hydrogen for nuclear magnetic resonance (NMR) spectroscopy, neutron moderation studies, tracer kinetics, and semiconductor process calibration. Its compact footprint and low power draw (150 W) support integration into gloveboxes, analytical instrument enclosures, and controlled-atmosphere reactors.
Key Features
- Electrolytic D₂ generation via SPE membrane technology—no catalysts, no consumable electrodes, minimal maintenance
- Adjustable flow rate from 0 to 300 mL/min with precision needle-valve control and integrated digital mass flow monitoring
- Regulated output pressure up to 0.4 MPa (4 bar), compatible with standard CGA-350 or ISO 8573-1 Class 2 gas delivery interfaces
- Integrated thermal management and overpressure relief valve compliant with EN 13445-3 safety standards
- Front-panel LED indicators for power status, electrolysis current, and system fault conditions (e.g., low D₂O level, membrane dry-out)
- Modular design supports optional expansion kits—including external D₂O reservoirs, automated refill modules, and OEM integration into larger analytical platforms
Sample Compatibility & Compliance
The GCD-4300 accepts commercially available 99.8%–99.99% isotopic purity heavy water (D₂O) as feedstock; final deuterium gas purity is directly proportional to feedstock quality and is typically ≥99.5% D₂ when using ≥99.9% D₂O (residual H₂ and O₂ removed via integrated palladium diffusion purifier). The unit complies with IEC 61000-6-3 (EMC emissions) and IEC 61010-1 (safety requirements for electrical equipment for measurement, control, and laboratory use). It meets GLP documentation requirements for traceable gas sourcing in regulated research environments and supports audit-ready operation logs when paired with optional RS-485 or Ethernet data export.
Software & Data Management
While the base GCD-4300 operates via analog front-panel controls, an optional Digital Control Module (DCM-GCD) enables PC-based monitoring and automation via USB or TCP/IP. The accompanying software provides real-time logging of flow rate, pressure, cell voltage, and cumulative D₂ output (L), with configurable alarm thresholds and CSV export for LIMS integration. All operational parameters are timestamped and stored locally on non-volatile memory, satisfying FDA 21 CFR Part 11 requirements for electronic records when used with user-defined electronic signatures and access controls. Firmware updates are delivered via secure HTTPS and include cryptographic verification.
Applications
- NMR spectrometer lock gas supply for deuterated solvent shimming and field-frequency stabilization
- Isotopic labeling experiments in metabolic flux analysis and pharmacokinetic modeling
- Calibration gas for residual gas analyzers (RGAs) and quadrupole mass spectrometers operating in D₂ mode
- Deuterium loading in metal hydride research and hydrogen isotope separation process development
- In-situ deuterium exchange studies in surface science (e.g., TPD, XPS, LEED) under UHV-compatible configurations
- Neutron moderator testing in compact accelerator-based neutron sources (CANS)
FAQ
What feedstock purity is required to achieve ≥99.5% D₂ output?
A minimum of 99.9% isotopic purity D₂O is recommended; impurities such as HDO or H₂O reduce D₂ yield and introduce H₂ contamination.
Can the GCD-4300 be operated continuously for >72 hours?
Yes—the system is rated for unattended 24/7 operation with periodic D₂O top-up (typically every 48–96 h at 200 mL/min flow); automatic low-level shutdown prevents membrane damage.
Is oxygen byproduct vented or captured?
Oxygen is safely vented through a dedicated exhaust port fitted with a flame arrestor and particulate filter; closed-loop O₂ recapture requires custom engineering and is not supported out-of-the-box.
Does the generator meet ISO 8573-1 Class 2 air quality standards for D₂ gas?
When equipped with the optional Pd-diffusion purifier and operated with ≥99.95% D₂O, the output meets ISO 8573-1:2010 Class 2 for particle count, moisture, and oil content.
Can multiple GCD-4300 units be manifolded for higher total flow?
Yes—parallel configuration is supported via pressure-balanced manifolds and synchronized flow control; contact technical support for piping schematics and backpressure compensation guidelines.
