Varian 3900 Gas Chromatograph with Flame Ionization Detector (FID) and 1041 Packed Column Injector
| Origin | Canada |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | Varian 3900 |
| Price Range | USD 1,200–6,500 (FOB) |
| Product Category | Chromatography System |
| Operational Age | 3–4 years |
| Warranty | 6 months limited parts & labor |
Overview
The Varian 3900 Gas Chromatograph is a robust, benchtop analytical platform engineered for high reproducibility in routine and method-developed gas chromatographic separations. Built on Varian’s legacy of precision thermal management and detector stability, this system employs classic packed-column gas chromatography architecture optimized for applications requiring ruggedness, ease of maintenance, and compatibility with legacy methods—particularly in environmental testing, petrochemical analysis, and quality control laboratories where FID sensitivity and linear dynamic range (10⁷) are critical. The instrument utilizes a resistively heated, temperature-programmable oven with ±0.01 °C isothermal stability and ramp rates up to 120 °C/min. Its compact oven design accommodates standard 7-inch (17.8 cm) diameter packed columns and supports maximum operating temperatures of 450 °C, with rapid cooling from 450 °C to 50 °C in ≤5.2 minutes—enabling high-throughput batch analysis without thermal lag. The integrated 1041 packed column injector features precise pressure/flow control, split/splitless operation capability, and thermally stable liner geometry for minimized analyte degradation.
Key Features
- Flame Ionization Detector (FID) with auto-ignition, optimized hydrogen/air flow control, and baseline noise <0.5 pA RMS (typical)
- 1041 Packed Column Injector supporting 1/4″ and 1/8″ OD stainless steel or glass columns; compatible with both carrier gases (N₂, He, H₂)
- Oven temperature range: 0–450 °C; programmable up to 32-step temperature ramps with hold times
- Compact footprint: 55 cm (H) × 32 cm (W) × 56 cm (D); net weight: 26.8 kg
- Front-panel digital interface with real-time parameter display and manual override functions
- Pre-calibrated pneumatic modules with mechanical pressure regulators and analog flow meters
- Fully refurbished unit—including leak-tested gas lines, cleaned injector liners, conditioned FID jet, and verified detector response linearity
Sample Compatibility & Compliance
The Varian 3900 GC with FID and 1041 injector is validated for use with volatile and semi-volatile organic compounds (VOCs/SVOCs) across EPA Methods 8015, 8021, and ASTM D3606. It supports compliance workflows aligned with ISO/IEC 17025:2017 requirements for calibration traceability and measurement uncertainty estimation. All refurbished units undergo full functional verification per Varian’s original factory test protocols—including retention time repeatability (<0.05% RSD), peak area precision (500:1 at 100 ng C₆H₆). Documentation includes Certificate of Reconditioning, system suitability report, and compliance summary for GLP/GMP-relevant environments.
Software & Data Management
While the Varian 3900 operates natively via front-panel controls, it is fully compatible with legacy Varian Star Chromatography Workstation (v6.x) and modern third-party data systems (e.g., Chromeleon 7.3+, OpenLab CDS) via analog output (0–1 V DC) and RS-232 serial interface. Audit trail functionality, electronic signatures, and 21 CFR Part 11 compliance are achievable when integrated into validated networked CDS environments. SpectraLab Scientific provides instrument-specific configuration files, method migration support, and optional firmware updates to ensure seamless integration into existing laboratory informatics infrastructure.
Applications
- Hydrocarbon analysis in fuels and lubricants (ASTM D1319, D5186)
- VOC screening in soil and water extracts (EPA 502.2, 624)
- Residual solvent quantification in pharmaceutical excipients (USP <467>)
- Monomer purity assessment in polymer manufacturing
- Quality assurance of industrial solvents and cleaning agents
- Educational training in fundamental GC theory and method development
FAQ
Is this unit supplied with a computer or data system?
No—this is a standalone GC system. A compatible PC with appropriate software and interface hardware must be provided by the end user.
What documentation accompanies the instrument?
Each unit ships with a Certificate of Reconditioning, full test report, electrical safety certification, and OEM service manual (digital copy).
Can the 1041 injector be retrofitted for capillary columns?
No—the 1041 is designed exclusively for packed columns. Capillary operation requires a separate 1077 or similar vaporizing injector module.
Does the 6-month warranty cover consumables?
The warranty excludes septa, liners, columns, and detector components subject to normal wear; these are considered expendables per Varian’s service policy.
Is remote technical support available post-installation?
Yes—SpectraLab Scientific offers email and scheduled video-assisted troubleshooting for 12 months following delivery, included at no additional cost.
