Because you start with 2AgOH which converts to 2Ag + O + H2O. They
can combine because AgOH is neutral, the Ag+ cancels the OH- which is
never bare. It is possible that H+ ions in the water are involved, but
don't know.
Marshall
On 10/5/2010 4:46 AM, Ode Coyote wrote:
How could the OH [-] ions ever combine with themselves against very
strong repulsive forces any more than an Ag ion could?
The mystery here is why ALL of the Ag ions don't become AgOH and AgO.
Why does conductivity stop dropping?
Ode
At 11:59 AM 10/4/2010 -0400, you wrote:
I believe that the process is as follows:
1. the OH and H of the water molecule are attracted to opposite
electrodes.
2. When the OH reaches the anode it reacts with a silver [ion]
producing AgOH, that is silver hydroxide
3. The silver hydroxides tend to bang into each other and silver
particles in colloidal form near the electrode and produce a silver
particle or enlarge it. The remaining OH combines producing water
and oxygent.
Marshall
On 10/2/2010 3:13 AM, Neville Munn wrote:
What about 'repelled?' If I understand the process correctly,
doesn't it require a minimum voltage to cause the silver to be
'repelled' from the electrode in the form of ions?
As those ions are in constant rapid movement in the water {I believe
that's called Zeta potential} they collide with each other and some
'stick' to each other {I believe that's called van der Waals force
of mutual attraction/repulsion} forming atomic clusters of those
silver ions...commonly referred to as 'particles', and as some may
collide more than others that's where larger 'particles?' are formed.
Howzat Sir/Maam? Am I close? Do I get a star? <g>
N.
> Date: Fri, 1 Oct 2010 20:36:03 -0700
> From: [email protected]
> Subject: Re: CS>Silver particles on bottom of jar
> To: [email protected]
>
> Hi Dan. Thanks for that information. I was using (and have been,
for years) a
> term that is used in my CS manual for describing the process by
which silver
> particles leave the electrodes. Oddly enough -- when I Googled
it, they didn't
> even have that word spelled that way. They have he word *sinter*
-- and it does
> have a different meaning, you're right. I will check a dictionary
as well.
>
> So -- OK -- large particles of silver aren't disseminated
(howzat?) from the
> electrodes *as* large particles, but the rapid dissemination
results in
> agglomeration which becomes large particles. Right?
>
> MA
>
>
>
> ----- Original Message ----
> > From: Dan Nave [email protected]
> >
> > First of all, "scinter" or "scintering" is the wrong word for what
you
> > are trying to describe. It is inappropriate to use that word in
this
> > context. Look it up in a dictionary, or Google it.
> >
> > Even so, I don't believe that large particles of silver are
undercut
> > and break off the electrodes in any significant way.
> >
> > On Tue, Sep 28, 2010 at 7:34 AM, MaryAnn Helland
> > <[email protected]> wrote:
> > > Hi Jan. Usually when there is silver laying at the bottom of
the jar, that
> > > is silver that scintered off the silver bars too fast, and is
therefore too
> > > large-particle to remain suspended in the distilled water. It
could have
> > > been aided by some kind of film on the interior of the jar, or
something
> > > less than perfect in the distilled water.
>
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>
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