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| Brand | East & West Analysis |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable Gas Chromatograph |
| Application Field | Coal Mining Industry |
| Detection Channels | 3 Independent Parallel Channels (A/B/C) |
| Channel A | O₂, N₂, CH₄, CO₂ |
| Channel B | C₂H₄, C₂H₆, C₂H₂, C₃H₈, H₂S |
| Channel C | H₂, CO |
| LOD | O₂/N₂/CH₄/CO₂ ≤ 0.1% (v/v) |
| Quantitative Repeatability | ≤ 3% RSD |
| Sample Introduction | Motorized 10-Port Automatic Valve with Precise Retention Time Control |
| Control Interface | Industrial Touchscreen LCD with One-Touch Power-On Sequence |
| Data Output | Real-Time Peak Area and Concentration Calculation per Component |
| Brand | East & West Analytical |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Regional Classification | Domestic (China) |
| Model | GC-4100 |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Scope | General-Purpose |
| Oven Temperature Range | (Ambient + 5) °C to 400 °C |
| Oven Ramp Rate | 0.1–40 °C/min |
| Oven Cool-Down Rate | 400 °C → 50 °C (typical) |
| Carrier Gas Flow Control Range | 1–500 mL/min (EPC) |
| Carrier Gas Pressure Control Range | 0–145 psi (EPC) |
| Injector Maximum Operating Temperature | 400 °C |
| Injector Pressure Setting Range | 0–145 psi (EPC) |
| Injector Total Flow Setting Range | 1–500 mL/min (EPC) |
| Brand | Dongxi Analysis |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (PRC) |
| Model | LC-5510 |
| Instrument Category | Conventional HPLC System |
| Flow Rate Range | 0.001–10.000 mL/min |
| Maximum Operating Pressure | 42 MPa |
| Autosampler Capacity | 120 positions |
| Injection Volume Range | 0.1–100 µL |
| Column Oven Temperature Range | 5–80 °C |
| UV-Vis Detector Wavelength Range | 190–700 nm |
| Data Acquisition Frequency | Up to 100 Hz |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | GC-4008B |
| Instrument Type | Benchtop Laboratory Gas Chromatograph |
| Application Domain | Coal Mining Safety & Spontaneous Combustion Monitoring |
| Detection Systems | TCD, Dual FID, ECD, FPD |
| Column Configuration | Four Dedicated Capillary/Packed Columns |
| Temperature Program | 10-Stage Programmable Ramp |
| Carrier Gases | Helium (TCD), Hydrogen/Air (FID), Nitrogen (ECD/FPD) |
| Minimum Detectable Concentrations | CO, C₂H₂ ≤ 0.5 ppm |
| Brand | East & West Analytical Instruments |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Conventional HPLC System |
| Flow Rate Range | 0–50 mL/min |
| Maximum Operating Pressure | 42 MPa |
| Flow Accuracy | ≤0.5% RSD |
| Sample Injection Volume | 0.1–100 µL |
| Injection Capacity | 120 positions (1.8 mL vials) |
| Column Oven Temperature Range | 5–80 °C |
| UV-Vis Wavelength Range | 190–700 nm |
| Pressure Pulsation (without damper) | <0.4% |
| Pressure Pulsation (with damper) | <0.015% |
| Detection Principle | UV-Vis absorbance with differential refractive index suppression and 40-mm optical path length flow cell |
| Brand | Dongxi Analysis |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Domestic (China) |
| Model | IC-2800 |
| Instrument Type | Benchtop Laboratory System |
| Pump Maximum Pressure | 35 MPa |
| Flow Rate Range | 0.01–10.00 mL/min |
| Eluent Flow Rate Accuracy | ±0.1% RSD |
| Maximum Operating Pressure | 35 MPa |
| Eluent Concentration Range | 1–100 mM (KOH, MSA, Na₂CO₃/NaHCO₃, etc.) |
| Brand | Dongxi Analysis |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Regional Classification | Domestic (PRC) |
| Model | GC-4000A |
| Instrument Type | Benchtop Laboratory Gas Chromatograph |
| Application Scope | General-Purpose Analytical GC |
| Oven Temperature Range | (Ambient + 5)°C to 400°C |
| Programmable Temperature Ramp | Up to 40°C/min (typical range) |
| Carrier Gas Flow Control Range | 0–100 mL/min (N₂, H₂, He) |
| Carrier Gas Pressure Control Range | 0–100 psi |
| Injector Maximum Operating Temperature | 400°C |
| Injector Pressure Setting Range | 0–100 psi |
| Injector Total Flow Setting Range | 0–120 mL/min |
| Detector Options | TCD, FID, FPD, NPD, ECD (user-selectable, up to three simultaneously) |
| Column Compatibility | Packed columns and capillary columns (0.1–0.53 mm ID) |
| Temperature Zones | 7 independently controlled zones (oven, injector ×1, detectors ×3, auxiliary ×2) |
| Oven Programmability | 10-step temperature program with ramp hold |
| Cooling | Motorized rear door auto-opening for accelerated oven cooldown |
| Gas System | Configurable single/dual/triple gas channels |
| Brand | Dongxi Analysis |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Scope | General-Purpose |
| Oven Temperature Range | Ambient +5 °C to 460 °C |
| Injector Maximum Operating Temperature | 450 °C |
| Operating System | Linux-based Embedded OS |
| Communication Interface | Ethernet (RJ-45) |
| Display | 10-inch Capacitive Touchscreen |
| Auto-sampler Compatibility | Dual-tower liquid auto-sampler mounting platform |
| Oven Design | Dual rear-opening column oven with rapid thermal response architecture |
| Pneumatic Control | Fully Electronic Pressure Control (EPC) for all gas channels |
| Brand | East & West Analysis |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Field | Coal Mining Industry (Mine Fire Early Warning & Gas Hazard Monitoring) |
| Touchscreen | 10.1-inch Industrial-Grade Capacitive LCD |
| Operating System | Linux-based Real-Time Embedded OS |
| Column Oven Cooling | Rear-Door Rapid-Cooling System with Dedicated Airflow Channel |
| Carrier Gas Control | Electronic Pressure Control (EPC) with Mass Flow Sensors |
| Diagnostics | Onboard Self-Diagnostic Engine with Fault Code Logging |
| Remote Access | Web-Based Interface + Native Android/iOS Mobile App |
| Sampling Mode | Fully Automated Sequential Analysis from 1 to 32 Sampling Points |
| Dual Independent Column Ovens | Separate Temperature Zones for High-Temp and Low-Temp Columns |
| Backflush Capability | Programmable Carrier Gas Reverse Flow for Column Protection |
| Analysis Time | ≤10 min per injection for 12 Key Gases (CO, CO₂, N₂, O₂, CH₄, C₂H₄, C₂H₆, C₂H₂, C₃H₈, C₃H₆, iC₄H₁₀, nC₄H₁₀) |
| Data Output | Automatic Report Generation & Secure Cloud Upload via Ethernet/Wi-Fi |
| Sample Inlet Options | Flexible Integration with Bundled Tube Systems, Tedlar® Bags, or Polyethylene Sampling Bags |
| Compliance | Designed to Support ASTM D1945, ISO 8573-5, and GB/T 13610–2020 for Mine Gas Analysis |
| Brand | East & West Analysis |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Field | Coal Industry-Specific Analysis |
| Key Features | 13-component fire-gas analysis in 10–15 min per injection |
| Display | 10-inch capacitive touchscreen interface |
| Safety Systems | Overtemperature protection, low-temperature alarm, open-circuit detection, carrier-gas failure shutdown |
| Flow Control | High-precision electronic pressure/flow controllers (EPC/EFC) with real-time digital flow readout for all pneumatic channels |
| Remote Operation | Mobile app support (iOS/Android) for instrument monitoring and control |
| Column Oven Safety | Automatic motor stop and heater cutoff upon oven door opening |
| Data Integration | Customizable data upload via configurable communication protocols (e.g., Modbus TCP, OPC UA, or customer-defined API) |
| Automation Level | Fully computer-controlled operation |
| Brand | GBC |
|---|---|
| Origin | Australia |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | LC 3000 |
| Pricing | Upon Request |
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