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| Category | Details |
|---|---|
| Composition | – Nitrogen (N₂): Balance gas (typically 70–95% by volume) |
| – Carbon Monoxide (CO): 1–5000 ppm (toxic, combustion byproduct) | |
| – Carbon Dioxide (CO₂): 0.1–20% (inert, greenhouse gas) | |
| – Methane (CH₄): 0.5–5% (natural gas component, flammable) | |
| Key Applications | – Environmental Science: Air quality monitoring (emissions testing) |
| – Industrial Safety: Calibrating gas detectors for confined spaces | |
| – Energy: Natural gas pipeline quality control and biogas analysis | |
| – Automotive: Exhaust emissions certification (CO/CH₄ measurement) | |
| Physical Properties | – Colorless, odorless mixture (CO has faint sweet odor at high concentrations) |
| – Flammable (CH₄); explosive range: 5–15% in air | |
| – CO is lighter than air; CO₂ is denser | |
| Safety Precautions | – Toxicity: CO requires ventilation and real-time monitoring (≤25 ppm TWA) |
| – Fire Risk: Eliminate ignition sources (CH₄ is flammable) | |
| – Asphyxiation: High CO₂/N₂ levels displace oxygen; use gas detectors | |
| Storage & Handling | – High-pressure cylinders (e.g., 10L, 50L) with CGA/DIN valves |
| – Store below 50°C, away from direct sunlight and incompatible gases (e.g., oxidizers) | |
| – Shelf life: 12–24 months (certified stability) | |
| Certifications | Compliance with ISO 17025 (calibration), OSHA/EPA regulations, and ASTM D1945 (natural gas analysis) |
| Environmental Impact | – CO and CH₄ are greenhouse gases (GWP 28–34 for CH₄) |
| – CO₂ contributes to climate change; handle with carbon capture awareness |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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