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| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | M7 |
| Price Range | USD 42,000 – 70,000 |
| Instrument Type | Single Quadrupole Mass Spectrometer |
| GC Configuration | Standalone GC-MS Platform |
| Mass Range | 1.5–1050 Da |
| Resolution | Unit Mass Resolution (UMR) |
| Mass Stability | ±0.1 Da over 48 h |
| Repeatability | RSD ≤9% for 10 ng Hexachlorobenzene (m/z 284) |
| Ion Source | Dual-Filament Electron Impact (EI) Source |
| Vacuum System | Pfeiffer Turbo Molecular Pump (60 L/s) |
| Interface | LAN-enabled Remote Operation |
| Software | Graphical User Interface (GUI) with Embedded Method Library |
| [Brand | Persee |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Instrument Type | Single Quadrupole GC-MS |
| GC Platform | Agilent 7890A |
| Mass Range | 1.5–1050 amu |
| Mass Accuracy | ±0.1 amu |
| Resolution | Unit Mass Resolution (R = 1000, W₁/₂ < 1 amu) |
| S/N (EI) | ≥150:1 RMS (5 pg OFN full scan, m/z 272 |
| Mass Stability | ±0.1 amu over 48 h |
| Max Scan Speed | 10,000 amu/s |
| Vacuum System | Dual-stage — GLD-N201 forepump (4 L/s) + Pfeiffer TMH071P (60 L/s) or TMH262P (210 L/s) turbomolecular pump |
| Ion Source | Heated EI source, 350 °C max, 10–100 eV electron energy, 200 µA emission current |
| Detector | High-voltage conversion dynode electron multiplier with composite I/V amplifier |
| Control Interface | 100 Mbps Ethernet, 32-bit embedded real-time OS |
| Software | Persee ChemStation v3.x (NIST08 library integrated)] |
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