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Liquid carbon dioxide is the liquid state of carbon dioxide (CO 2 ), which cannot occur under atmospheric pressure. It can only exist at a pressure above 5.1 atm (5.2 bar; 75 psi), under 31.1 °C (88.0 °F) (temperature of critical point ) and above −56.6 °C (−69.9 °F) (temperature of triple point ). [ 1 ]
Viscosity [5] of liquid at equilibrium pressure 0.0925 mPa·s at 5 °C 0.0852 mPa·s at 10 °C 0.0712 mPa·s at 20 °C ... log of Carbon Dioxide vapor pressure.
If the cylinder's contents are liquid, but become a gas at ambient conditions, this is commonly referred to as a boiling liquid expanding vapour explosion (BLEVE). [ 27 ] Medical gas cylinders in the UK and some other countries have a fusible plug of Wood's metal in the valve block between the valve seat and the cylinder.
The capacity of a carbon dioxide tank is measured in ounces of liquid and it is filled with liquid CO 2, at room temperatures the vapour pressure is about 5,500 kilopascals (800 psi). The CO 2 liquid must vaporize into a gas before it can be used. This causes problems such as inconsistent velocity.
Matheson Tri-Gas, Inc. produces industrial, medical, and specialty gases, and associated gas handling equipment, in North America.MATHESON offers semiconductor, medical, welding, atmospheric gases, rare gases delivered via pipelines, onsite generators, bulk tanks, and in gas cylinders to customers using gases in their labs, semiconductor fabs, hospitals, chemical plants, manufacturing and many ...
The general rule is that one unit volume of liquid will expand to approximately 800 unit volumes of gas at standard temperature and pressure with some variation due to intermolecular force and molecule size compared to an ideal gas. Normal high pressure gas cylinders will hold gas at pressures from 200 to 400 bars (3,000 to 6,000 psi). An ideal ...
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