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| Brand | Arrow Grand Technologies |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | GC-IR2 |
| Pricing | Available Upon Request |
| Measurement Principle | Semiconductor Mid-IR Laser Absorption Spectroscopy Coupled with High-Resolution Capillary Gas Chromatography |
| Isotopes Measured | δ¹³C of CH₄ (C1), C₂H₆ (C2), C₃H₈ (C3), and n-C₄H₁₀ (C4) |
| Precision (δ¹³C) | <0.4 ‰ (30-day stability, no calibration gas) |
| Sample Throughput | One complete isotopic profile per 5 minutes |
| Detection Limits | CH₄ ≥ 0.5% v/v |
| CO₂ Concentration Accuracy | ±0.01% (full scale) |
| Total Carbon Compound Concentration Accuracy | ±0.01% |
| Spectral Acquisition Rate | 4 Hz |
| Dead Volume | <0.1 mL |
| Calibration Gas | CO₂ standard required for high-precision mode |
| Power Supply | 110/220 V AC, 1 kW average, 3 kW peak |
| Operating Temperature | 0–35 °C |
| Relative Humidity | 0–95% RH (non-condensing) |
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