Partial pressure in a liquid

Started by armand.favrot, April 27, 2018, 08:10:43 AM

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armand.favrot

Hello,

I work on hypoxia (lack of oxygen) in fishes as part of an internship in applied mathematics and I have a big problem with partial pressure in liquids. I went to wikipedia and I find out that there were no such thing, only partial pressure in a mixture of gas above a liquid and concentration of disolved gas in a liquid (linked by Henry's law). Nevertheless, in many articles I work on, they talk about partial pressure in water and blood, which I don't understand. I've attached a pdf on an article so you can see, for example p360 in "Development of te model", in equations 1a 1b p361, ...
Thanks for your help :)
Ps : forgive the mistakes I'm french!

Edisson

Very interesting, Armand. Have you found the answer to this elsewhere btw? Please share it here if you have.

uma

Armad ..
Henry's law is also taking concentration of dissolved  gases proportional to partial pressure of the gas above the liquid.If the partial pressure of oxygen is less above the sea water then less amount of  oxygen will be dissolved in water and hence results in lack of oxygen in water.

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