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Re: Water electrolysis

David W. Webb wrote
> In water electrolysis, Oxygen is released at the anode and >Hydrogen
is  released at the cathode.  Might Calcium 
>electroplate against the cathode  while the water is
>reducing?  In the presence of water, the Calcium
>would not be able to form a lasting plate, but might form
>CaOH on the cathode, perhaps?

Paul Sears replied
>In a word, no.  H+ will always be discharged before Ca++.

Another interesting point is that if chlorides are present chlorine
gas will form at the anode before oxygen does. Not exactly what you
want to add to your water.

Jim Spencer
Sayre, PA

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