CS>
From: Marshall Dudley
Date: Sun, 22 Aug 2004 10:32:29
> Still got experiments to run, but this is starting to make some
> sense now.
> Marshall
1. Silver oxide produces the yellow tint in cs, and adding H2O2
produces a clear solution. If the H2O2 generated silver oxide as you
propose, the solution should become a darker yellow, don't you
think? Here's an equation that may be useful:
Ag2O + H2O2 = 2Ag(+) + O2 + H2O
http://butler.cc.tut.fi/~penningt/thesis/9701635/ppt/29/tsld018.htm
It's not clear that you have established adding H2O2 to cs produces
silver oxide. You need to show the equations that support this, and
why it happens instead of the H2O2 breaking the oxide into ions.
2. It's not clear you have established silver oxide is soluble up to
13 ppm. First, that is probably a figure taken from some chemistry
book. There are many different types of silver oxide, and it's not
clear they are talking about the same ones we are dealing with.
Anyway, if the soft black stuff that forms on the electrodes at high
current density is soluble, why does it remain on the electrodes?
I think there is some more work to do in these areas. But it helps
to base your conclusions on all the relevant facts, generate the
relevant equations, then go from there.
Also, it helps to generate a descriptive topic name that relates to
the post. I hope you don't mind that I did this for you. But change
it to suit yourself if you wish.
Best Wishes,
Mike Monett
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