Carbon dioxide and oxygen mixed gas in nitrogen
We are a manufacturer based in China. We specialize in providing high-quality Carbon dioxide and oxygen mixed gas in nitrogen for industrial clients across various sectors. Whether you need chemicals consultation or technical support, our team is here to help.
Category：Mineral processing Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
| Category | Details |
|---|---|
| Composition | – Nitrogen (N₂): Balance gas (typically 60–90% by volume) |
| – Carbon Dioxide (CO₂): 1–20% (inert, greenhouse gas) | |
| – Oxygen (O₂): 1–10% (oxidizing agent, supports combustion) | |
| Key Applications | – Food & Beverage: Modified atmosphere packaging (MAP) and carbonation |
| – Biotechnology: Cell culture systems (CO₂/O₂ control for mammalian cells) | |
| – Welding: Shielding gas mixtures (e.g., CO₂ for steel, O₂ for stainless steel) | |
| – Medical: Hyperbaric chambers and respiratory therapy | |
| Physical Properties | – CO₂: Dense gas (1.98 kg/m³ at STP); liquifies at 5.2 bar (31°C) |
| – O₂: Strong oxidizer; supports rapid combustion | |
| – N₂: Inert buffer; prevents oxidation/explosions | |
| Safety Precautions | – Fire Risk: O₂-enriched atmospheres ignite flammable materials (keep away from oils/greases) |
| – Asphyxiation: High CO₂/N₂ levels displace oxygen; monitor O₂ sensors (≥19.5% required) | |
| – Pressure Hazards: Cylinders store gas at 150–200 bar; use regulators | |
| Storage & Handling | – High-pressure cylinders (e.g., 50L, 100L) with CGA/DIN valves |
| – Store upright in cool, well-ventilated areas away from flammables | |
| – Liquid CO₂ in Dewar flasks (vacuum-insulated) | |
| Certifications | Compliance with ISO 7291 (gaseous CO₂), USP/Ph. Eur. (medical O₂), and FDA/USDA regulations for food use |
| Environmental Impact | – CO₂: Major greenhouse gas (GWP 1); contributes to climate change |
| – O₂: Non-toxic but supports combustion; handle with fire safety protocols | |
| Shelf Life | 12–24 months when stored at 15–25°C (avoid temperature fluctuations) |
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