Beifen Sanpu GC-9860 Drinking Water Halogenated Compounds Analysis Gas Chromatograph
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic Instrument |
| Model | GC-9860 |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Field | Environmental Monitoring (Drinking Water Compliance) |
| Oven Temperature Range | 100–350 °C |
| Ramp Rate | 0.1–40 °C/min |
| Cool-down Time | ~6 min (from 350 °C to 100 °C) |
| Carrier Gas Flow Control Range | 0–1200 mL/min |
| Carrier Gas Pressure Control Range | 0–970 kPa |
| Injector Maximum Operating Temperature | 100–350 °C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1000 mL/min |
Overview
The Beifen Sanpu GC-9860 is a dedicated laboratory gas chromatograph engineered for the precise quantification of regulated halogenated organic compounds—including chloroform (CHCl₃), carbon tetrachloride (CCl₄), bromodichloromethane, and dibromochloromethane—in drinking water matrices. It operates on the principle of capillary gas chromatography coupled with electron capture detection (ECD), a highly selective and sensitive technique for electronegative analytes such as halogenated hydrocarbons. Designed in accordance with U.S. EPA Method 524.2, EPA Method 551.1, and China’s GB/T 5750.8–2023 (Standard Examination Methods for Drinking Water — Organic Indicators), the system delivers robust performance for routine regulatory compliance testing in municipal water utilities, environmental monitoring laboratories, and third-party certification facilities.
Key Features
- Integrated ECD detector with low-noise microcurrent amplification circuitry, achieving sub-pg-level detection limits for chlorinated methanes and trihalomethanes (THMs)
- Programmable temperature-controlled oven with linear ramp precision of ±0.1 °C and thermal stability ≤0.01 °C over 30 min
- Dual independent pressure/flow control modules for carrier (N₂) and make-up gases, supporting both constant pressure and constant flow modes
- Capillary split/splitless injector with adjustable liner geometry and inert deactivation for minimal analyte adsorption or degradation
- Modular architecture enabling seamless integration with external autosamplers—including the AHS-6890 9-position heated headspace sampler with passivated stainless-steel transfer lines
- Self-diagnostic firmware with real-time monitoring of column head pressure, detector baseline drift, and valve actuation status
Sample Compatibility & Compliance
The GC-9860 is validated for aqueous samples prepared via static or dynamic headspace extraction. It accommodates standard 20-mL crimp-top vials and supports method-defined equilibration temperatures (40–90 °C), incubation times (10–60 min), and pressurized transfer parameters per ISO 15686-3 and ASTM D5508. All wetted surfaces—including the ECD cell, injector liner, and column ferrules—are silanized or electropolished to prevent halogen scavenging and memory effects. The instrument meets GLP documentation requirements through audit-trail-enabled data acquisition and complies with FDA 21 CFR Part 11 when paired with N2000 Chromatography Data System (CDS) configured with electronic signatures and user access levels.
Software & Data Management
Controlled via the N2000 CDS software platform, the GC-9860 supports full method development, sequence definition, peak integration using tangent skim or valley-to-valley algorithms, and automated calibration curve generation (linear, quadratic, or weighted least-squares). Raw data files (.DAT) are stored with embedded metadata—including instrument configuration, operator ID, sample ID, and audit logs—ensuring traceability. Export formats include CSV, PDF reports (with customizable templates), and XML for LIMS interfacing. Software validation packages (IQ/OQ/PQ protocols) and 21 CFR Part 11 compliance add-ons are available upon request.
Applications
- Regulatory monitoring of trihalomethanes (THMs) and haloacetic acids (HAAs) precursors in finished drinking water per WHO Guidelines and EU Directive 98/83/EC
- Verification of disinfection by-product (DBP) formation during chlorine/chloramine treatment processes
- Method transfer and verification studies between accredited laboratories under ISO/IEC 17025:2017
- Validation of point-of-use (POU) filter efficacy against volatile halogenated contaminants
- Research applications in water treatment chemistry, including kinetic modeling of DBP formation pathways
FAQ
What detection technologies are supported beyond ECD?
The GC-9860 chassis is compatible with FID, TCD, and PID detectors via optional hardware modules; however, ECD remains the factory-configured and method-validated detector for halogenated compound analysis.
Is the system compliant with US EPA drinking water methods?
Yes—the GC-9860 + AHS-6890 + N2000 configuration satisfies all instrumental requirements of EPA Methods 524.2 (purge-and-trap GC/MS) and 551.1 (liquid–liquid extraction followed by GC/ECD), when operated with certified reference standards and documented system suitability tests.
Can the instrument be integrated into an existing LIMS environment?
Yes—via ODBC-compliant database connectors and ASCII-based report exports, the N2000 software supports bidirectional data exchange with major LIMS platforms including LabVantage, STARLIMS, and Thermo Fisher SampleManager.
What maintenance intervals are recommended for routine operation?
ECD cell cleaning every 6 months; inlet liner replacement every 100 injections or weekly in high-throughput labs; column trimming (0.5–1 m) every 200 injections; annual preventive maintenance including detector gain calibration and pneumatic leak verification.
Does the system support unattended overnight analysis?
Yes—the GC-9860 features cold-start capability, power-failure recovery mode, and sequence-based auto-shutdown, enabling fully automated 24-hour operation with up to 99 sample positions when combined with the AHS-6890 and optional tray loader.
