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Re: Carbon uptake
> From: Dave Gomberg <gomberg at wcf_com>
> Subject: Carbon uptake
> The bottom line appears to be this: Since at the leaf surface carbonic
> anyhdrase greatly facilitates the reaction: CO2 + H20 <-> H2CO3 which is
> otherwise a pretty slow reaction
Slow by chemists' standards - we are talking about a few seconds
here. Fast reactions take microseconds or less.
> and since the bicarbonate ion is dominant
> at most aquarium pHs (6.5-9) (with increasing importance of the carbonate
> at lower pHs)
Higher pH. You can pretty well forget about it below 9 or so.
Paul Sears Ottawa, Canada