Advanced Gas Chromatograph with Multi-Detector Configuration – GAOTek
High-precision gas chromatograph with 8-zone temperature control and FID, TCD, ECD, FPD, NPD detectors for fast, accurate analytical performance.
Description
Description
Technical Specifications
Main Parameters
| Parameters | Details |
| Operation Display | 8-inch high-definition color LCD touchscreen; can function as handheld controller |
| Temperature Control Zones | 8 zones |
| Temperature Control Range | 4℃ to 450℃ above room temperature; increment 1℃; accuracy ±0.1℃ |
| Program Temperature Stages | 16 ramp stages (expandable) |
| Temperature Ramp Rate | 0.1 to 60℃/min |
| Gas Flow Control | Precision mechanical valve flow control |
| External Events | 8 channels |
| Auxiliary Control Outputs | 2 channels |
| Sampler Types | Packed column injection, capillary injection, six-port valve gas injection, automatic sampler |
| Number of Detectors | Up to 3 detectors |
| Detector Options | FID, TCD, ECD, FPD, NPD |
| Injection Initiation | Manual or automatic (optional) |
| Communication Interface | Ethernet: IEEE 802.3.1.3.2 |
Technical Parameters
| Detector Type | Parameter | Specification |
| Hydrogen Flame Ionization Detector (FID) | Detection limit | ≤5×10-12 g/s (cetane/isooctane) |
| Baseline noise | ≤0.05 PA | |
| Baseline drift | ≤0.2 PA / 30 min | |
| Linear range | ≥10⁶ | |
| Thermal Conductivity Detector (TCD) | Sensitivity | S ≥10000 mV•ml/mg (benzene/toluene) (with amplification 1, 2, 3, 4 times optional) |
| Baseline noise | ≤20 μV | |
| Baseline drift | ≤30 μV / 30 min | |
| Linear range | ≥10⁴ | |
| Electron Capture Detector (ECD) | Detection limit | ≤1×10-13 g/ml (propyl BHC-isooctane solution) |
| Baseline noise | ≤0.03 mV | |
| Baseline drift | ≤0.2 mV / 30 min | |
| Linear range | 10³ | |
| Radioactive source | ⁶³Ni | |
| Flame Photometric Detector (FPD) | Detection limit | (S) ≤5×10-11 g/s; (P) ≤1×10-12 g/s (methyl parathion – anhydrous ethanol solution) |
| Baseline noise | ≤3×10-13 A | |
| Baseline drift | ≤2×10-12 A / 30 min | |
| Linear range | ≥10² for sulfur, ≥10³ for phosphorus | |
| Nitrogen and Phosphorus Detector (NPD) | Detection limit | (N) ≤5×10-13 g/s; (P) ≤5×10-13 g/s (methyl parathion – anhydrous ethanol solution) |
| Baseline noise | ≤5×10-13 A | |
| Baseline drift | ≤2×10-12 A / 30 min | |
| Linear range | N ≥10², P ≥10² |
Note: The product is customized to 7 or 9 components as per the requirements.
7-component system: Hydrogen (H2), Carbon monoxide (CO), Carbon dioxide (CO2), Methane (CH4), Ethylene (C2H4), Ethane (C2H6), Acetylene (C2H2)
9-component system: Hydrogen (H2), Carbon monoxide (CO), Carbon dioxide (CO2), Methane (CH4), Ethylene (C2H4), Ethane (C2H6), Acetylene (C2H2), Oxygen (O2), Nitrogen (N2)