Gas Purifier for GC Systems
| Brand | Hailong |
|---|---|
| Origin | China |
| Manufacturer Type | Authorized Distributor |
| Model | Gas Purifier |
| Pricing | Available Upon Request |
Overview
The Hailong Gas Purifier is an engineered solution designed to ensure high-purity carrier, fuel, and support gases in gas chromatography (GC) systems. It operates on the principle of selective adsorption and chemical reaction to remove trace contaminants—including water vapor (H2O), hydrocarbons (CxHy), oxygen (O2), and sulfur compounds—from compressed gas streams. By eliminating these impurities prior to entry into the GC column and detector, the purifier directly enhances baseline stability, improves peak resolution, reduces detector noise (particularly in FID and ECD configurations), and significantly extends the operational lifetime of capillary columns and sensitive detection components.
Key Features
- Triple-path purification architecture—configurable in parallel or series mode to achieve multi-stage contaminant removal and meet stringent purity requirements (e.g., ≤0.1 ppm H2O, ≤0.1 ppm O2, ≤0.05 ppm total hydrocarbons)
- Dual housing options: transparent acrylic body for real-time visual monitoring of desiccant/filler color change; stainless-steel pressure-rated variant (up to 1.0 MPa working pressure) for high-flow or industrial applications
- Modular filter cartridges with standardized thread interfaces (¼” NPT or M10×1), enabling rapid replacement without system depressurization
- Optional independent isolation valves per channel—allowing individual path bypass, sequential activation, or maintenance under live gas flow conditions
- Filler compatibility with industry-standard media: molecular sieves (3Å/4Å), activated copper, activated carbon, magnesium perchlorate, and custom mixed-bed formulations
Sample Compatibility & Compliance
This purifier supports all common GC-grade gases: helium (He), hydrogen (H2), nitrogen (N2), argon (Ar), and synthetic air. It is compatible with both laboratory-scale benchtop GCs and centralized gas distribution networks. The device meets mechanical safety requirements per ISO 8573-1:2010 (compressed air purity classes) and supports analytical workflows compliant with ASTM D6299, USP , and ICH Q2(R2) guidelines for method robustness. When used in regulated environments (e.g., pharmaceutical QC labs), the optional valve-equipped configuration facilitates documented purge-and-replace procedures aligned with GLP/GMP documentation practices.
Software & Data Management
The Hailong Gas Purifier is a hardware-only, passive filtration system with no embedded electronics or firmware. As such, it does not require software integration, driver installation, or network connectivity. Its operational status is assessed through visual inspection (for acrylic models) or pressure-drop monitoring via inline gauges. For laboratories implementing electronic lab notebooks (ELN) or LIMS, maintenance logs—including cartridge replacement dates, batch numbers of fillers used, and observed pressure differentials—can be manually recorded to satisfy FDA 21 CFR Part 11 audit-trail requirements when paired with appropriate procedural controls.
Applications
- Routine quality control in pharmaceutical, food & beverage, and environmental testing laboratories
- High-sensitivity trace analysis using electron capture detectors (ECD) or pulsed discharge helium ionization detectors (PDHID)
- Long-duration unattended GC runs where baseline drift must be minimized
- Preparation of ultra-high-purity gas standards for calibration and method validation
- Protection of expensive GC–MS interface components (e.g., transfer lines, ion sources) from moisture-induced corrosion
FAQ
How often should the filter cartridges be replaced?
Cartridge service life depends on inlet gas quality, flow rate, and operating pressure. Under typical lab conditions (20–50 mL/min, 99.999% grade gas), molecular sieve cartridges last 6–12 months; activated copper or carbon beds may require replacement every 3–6 months. Visual indicators (e.g., color change in cobalt chloride–impregnated silica gel) or measured pressure drop (>0.1 MPa differential) signal end-of-life.
Can this purifier be used with hydrogen generators?
Yes—provided the generator’s output pressure and dew point fall within the purifier’s rated specifications. The stainless-steel model is recommended for integration with on-site H2 generation systems due to its higher pressure tolerance and leak integrity.
Is certification available for ISO/IEC 17025 accredited labs?
While the unit itself is not certified, each cartridge lot is supplied with a Certificate of Analysis (CoA) specifying residual moisture, hydrocarbon, and oxygen levels post-filtration. Calibration and verification protocols can be developed in accordance with ISO/IEC 17025 Clause 6.4.6 for measurement traceability.
