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Working out liquid to gas pressures

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Unread postAuthor: Technician1002 » Mon Dec 17, 2012 1:02 pm

One interesting thing about the supercritical point; The density of the gas and liquid are the same, which means that the normal separation of gas on top of liquid no longer applies. Gas can be over, under, around, in the liquid. If you ever get a chance to see it in person with CO2, it is well worth watching when you know what you are seeing.


For CO2 it is about 31C and 1100 PSI.

Another great video.. This clearly shows the danger of overfilling a CO2 cylinder. Near the point, if over full, the liquid level increases instead of decreases.

The triple point of water is fun to watch also. Gas, Solid, and liquid together.
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Unread postAuthor: Jolly Roger » Thu Dec 20, 2012 5:32 am

Interesting stuff there mate, much appreciated
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