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Liquid Nitogen rate of loss

Liquid Nitogen rate of loss - Chemistry Forum

Liquid Nitogen rate of loss - Chemistry Forum. Discuss chemical reactions, chemistry.


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Old 01-18-2004, 12:59 AM
Kent Breathe
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Default Liquid Nitogen rate of loss



>>>>>Does anyone know what the rate of loss for liquid nitrogen is?
....
....
....

google: "thumper tube". I'm trying to think of which large 160 L LN2 tanks
have valves that you can open to allow access of the tube. It's pretty standard
on every liquid helium dewar and tank I've ever seen but not on standard LN2
tanks.

It's been a while, but I used to insert the thumper tube all the way til it hit
bottom and then raise it slowly. When the frequency and amplitude of the
buzz changed, that was the top of the liquid. If you just go by the 'buzz'
upon insertion it's inaccurate because ... because ... I don't remember.






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Old 01-18-2004, 03:21 AM
Josh Halpern
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Default Liquid Nitogen rate of loss



Kent Breathe wrote:


True, but they tend to have the little floater sticks that roughly
indicate the level by moving up and down unless they get stuck which
seems to be all the time.

josh halpern


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