gas exchange at water surface? - The Planted Tank Forum
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post #1 of 3 (permalink) Old 11-21-2007, 07:12 AM Thread Starter
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Question gas exchange at water surface?

was wondering if anyone had suggestions or links for reading up on this topic.

I'm just curious to the science behind gas exchange (co2/o2 mainly) at water surface.

Book suggestions are ok too, I'm willing to venture to the library.

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post #2 of 3 (permalink) Old 11-21-2007, 04:12 PM
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See Fick's first law(Wiki it).

Tom Barr

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post #3 of 3 (permalink) Old 11-21-2007, 10:27 PM
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Henry's Law for O2
O2 and CO2 dissolve independently of each other. CO2 is more complicated than this because it partially dissolves in water. CO2 becomes H2CO3 (carbonic acid) which further dissolves and forms HCO3- (bicarbonate) and CO32-(carbonate) depending on the pH, neutral to slightly alkaline - bicarbonate, and in very alkaline - carbonate.


Aquascape? I'm a crypt farmer.

It's a fine line between fishing and standing on the shore looking like an idiot.

That IS an aquascape, it's titled "The Vacant Lot".
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