HUIFEN HF-906 Laboratory Gas Chromatograph
| Brand | HUIFEN Instrument |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | HF-906 |
| Instrument Type | Benchtop Laboratory Gas Chromatograph |
| Application Scope | General-Purpose Analysis |
| Oven Temperature Range | Ambient + 3 °C to 450 °C |
| Maximum Ramp Rate | 250 °C/min |
| Cooling Rate | 450 °C → 50 °C in < 3.5 min |
| Carrier Gas Flow Range & Control | 0–1500 mL/min |
| Carrier Gas Pressure Range & Control | 0–150 psi |
| Injector Maximum Operating Temperature | 450 °C |
| Injector Pressure Setpoint Range | 0–150 psi |
| Injector Total Flow Setpoint Range | 0–200 mL/min |
Overview
The HUIFEN HF-906 is a high-performance benchtop gas chromatograph engineered for precision, reproducibility, and operational flexibility in routine and method-development laboratories. It employs capillary column separation coupled with programmable temperature ramping and fully electronic pneumatic control (EPC) to deliver robust retention time stability and quantitative accuracy across diverse sample matrices. Designed for universal application—from environmental volatile organic compound (VOC) screening to pharmaceutical residual solvent analysis—the HF-906 supports compliance-driven workflows through its traceable temperature and pressure control architecture, real-time system diagnostics, and audit-ready operational logging.
Key Features
- 10-inch high-resolution capacitive color touchscreen interface with intuitive graphical navigation, enabling full instrument control—including method setup, sequence management, and real-time chromatogram viewing—via direct touch gestures.
- Advanced oven thermal management system featuring optimized internal heat exchange pathways and high-stability platinum resistance thermometers (PRTs), achieving ±0.01 °C temperature accuracy and up to 99-step programmable ramping profiles.
- Full EPC-controlled gas delivery with dual independent channels: carrier gas (0–1500 mL/min, 0–150 psi) and auxiliary gases (e.g., air, hydrogen); pressure resolution of 0.001 psi with automatic ambient temperature and barometric pressure compensation.
- Modular, thermally isolated injector design supporting split/splitless, on-column, and PTV modes; injector temperature up to 450 °C; integrated consumables monitoring (septum life estimation, liner status tracking) and automated leak detection via pressure decay testing.
- Detector compatibility with industry-standard modules including Flame Ionization Detector (FID), Thermal Conductivity Detector (TCD), Electron Capture Detector (ECD), Flame Photometric Detector (FPD), Nitrogen Phosphorus Detector (NPD), and Pulsed Discharge ECD (PDECD), all offering wide linear dynamic range and low detection limits.
- Embedded IoT-enabled operating system supporting secure remote access via web browser or dedicated client application; real-time instrument status monitoring, live chromatogram streaming, method upload/download, and event-triggered notifications across desktop, tablet, and mobile platforms.
Sample Compatibility & Compliance
The HF-906 accommodates liquid, gaseous, and headspace-derived samples across volatility ranges from C2 hydrocarbons to semi-volatile organics (up to ~400 °C boiling point). Its hardware and firmware architecture align with foundational requirements for GLP/GMP environments: temperature and pressure setpoints are digitally logged with timestamps and operator ID (where integrated with LIMS), and all method parameters are stored as immutable binary records. While not pre-certified for FDA 21 CFR Part 11, the system supports configuration for electronic signature readiness—including audit trail generation, user role-based access control, and data integrity safeguards compatible with ISO/IEC 17025 and ASTM D3612, D6866, and EPA Method 8260/8270 workflows.
Software & Data Management
The instrument operates on a Linux-based embedded OS with native support for CSV, PDF, and AIA (.cdf) chromatographic data export formats. The optional PC-based ChromaLink™ software provides peak integration, calibration curve generation (linear, quadratic, multi-level), system suitability assessment (tailing factor, resolution, RSD), and report templating compliant with ISO 17025 documentation standards. All raw data files include embedded metadata (oven program, detector settings, EPC valve positions, timestamped sensor readings), ensuring full traceability from acquisition to final report. Data backups can be scheduled to network drives or cloud storage endpoints with configurable encryption protocols.
Applications
- Environmental testing: VOCs in soil/water per EPA Methods 502.2, 524.2, and 8260D.
- Pharmaceutical quality control: residual solvents (ICH Q3C) in APIs and excipients using USP <467> compliant methods.
- Food and flavor analysis: terpenes, aldehydes, esters, and off-flavor compounds in beverages, oils, and dairy products.
- Petrochemical QA/QC: hydrocarbon group-type analysis (PIONA), benzene/toluene/xylenes (BTX), and sulfur compound profiling.
- Forensic toxicology: ethanol, methanol, isopropanol, and acetone quantification in blood and urine matrices.
FAQ
Does the HF-906 support 21 CFR Part 11 compliance out-of-the-box?
No—while the system logs all critical parameters with timestamps and supports user authentication, formal Part 11 compliance requires additional validation documentation, electronic signature implementation, and audit trail review procedures performed by the end-user laboratory.
Can I upgrade the detector configuration after purchase?
Yes—the modular detector bay allows field-installation of FID, TCD, ECD, FPD, NPD, or PDECD units without factory recalibration; each module includes plug-and-play electrical and gas interfaces.
What is the minimum detectable concentration for FID with standard capillary columns?
Detection limits depend on column dimensions, injection volume, and sample matrix; under typical conditions (30 m × 0.25 mm ID × 0.25 µm film, 1 µL splitless injection), FID achieves sub-picogram-level detection for n-alkanes.
Is external cooling required for rapid oven cooldown?
No—the integrated air-cooling system achieves 450 °C → 50 °C in under 3.5 minutes without liquid nitrogen or compressed air assistance.
How often does the EPC system require recalibration?
Factory-calibrated EPC modules maintain specification for ≥12 months under normal operation; annual verification against NIST-traceable pressure and flow standards is recommended for regulated environments.
