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| Brand | Agilent Technologies |
|---|---|
| Origin | USA |
| Model | 6890 Plus GC + 5973 MSD |
| Configuration | GC-MS System for VOC/SVOC Quantification per GB/T 23986.2–2023 |
| Condition | Professionally Refurbished & Functionally Verified |
| Compliance | Fully Compatible with ASTM D6886, ISO 11890-2, and US EPA Method 8260D workflows |
| Brand | Agilent Technologies |
|---|---|
| Origin | USA |
| Model | Agilent 7890B + 5977B |
| Configuration | Gas Chromatography–Mass Spectrometry (GC-MS) System |
| Vacuum System | High-Performance Turbomolecular Pump |
| Ion Source | Dual-Filament EI Source, Inert (Non-Coated, Non-Stainless Steel) |
| Mass Analyzer | Gold-Plated Quartz Quadrupole with Turner-Kruge Lenses |
| Mass Range | 1.6–1050 u (0.1 u increments) |
| Resolution | Unit Mass Resolution |
| Mass Stability | ≤0.10 u / 48 h |
| Full-Scan Sensitivity (EI) | ≥400:1 S/N for 1 pg OFN (m/z 272, 50–300 u scan) |
| SIM Sensitivity (EI) | ≥10:1 S/N for 20 fg OFN |
| Max Scan Rate | 12,500 u/s (1 ms dwell in SIM) |
| Dynamic Range | 10⁶ |
| SIM Capacity | 100 groups, up to 60 ions/group |
| GC Oven Temp Range | 4 °C above ambient to 450 °C |
| Max Ramp Rate | 120 °C/min |
| Temperature Stability | <0.01 °C per 1 °C ambient change |
| Programmable Temperature Zones | ≥6 heated zones (including inlet, detector, transfer line), all independently controlled up to 400 °C |
| EPC Pressure Control Accuracy | ±0.001 psi |
| Split/Splitless Inlet | Up to 7500:1 split ratio, 0–1250 mL/min H₂/He flow range |
| Auto-sampler | 16-position (standard), optional 150-position tray |
| Detectors Included | FID (detection limit <1.8 pg C/s), micro-ECD (<6 fg/mL lindane), NPD (<0.4 pg N/s, <0.2 pg P/s) |
| Compliance | Fully compatible with EPA Methods (e.g., 502.2, 524.4, 8260, 8270), USP <621>, ASTM D5845, and GLP/GMP data integrity requirements per FDA 21 CFR Part 11 |
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