Shanghai Kechuang
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| Brand | Shanghai Kechuang |
|---|---|
| Model | GC9800 |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Domain | High-Purity Gas Analysis (Food-Grade CO₂, Beverage & Brewing Gases) |
| Oven Temperature Range | Ambient + 8 °C to 400 °C |
| Ramp Rate | 0.1–40 °C/min |
| Cool-down Rate | 400 °C → 50 °C in ≤4 min |
| Carrier Gas Flow Control Range | 0–100 mL/min |
| Carrier Gas Pressure Control Range | 0–250 kPa |
| Injector Max Temp | 300 °C |
| Injector Pressure Setpoint Range | 0–250 kPa |
| Injector Total Flow Setpoint Range | 0–1200 mL/min |
| FID Detection Limit (n-Hexadecane) | ≤8.0×10⁻¹² g/s |
| FID Baseline Noise | ≤1×10⁻¹³ A |
| FID Baseline Drift | ≤7×10⁻¹³ A/30 min |
| FID Linear Dynamic Range | 10⁷ |
| Benzene LOD (v/v) | ≤0.010×10⁻⁶ |
| Total Hydrocarbons LOD | ≤0.2×10⁻⁶ |
| Non-Methane Hydrocarbons LOD | ≤0.1×10⁻⁶ |
| Methane LOD | ≤0.1×10⁻⁶ |