Well,

For a start NaHCO3, being soluble, dissolves as Na+ and HCO3- in
solution and the ions are not joined together.

Secondly Ag+ is a medium strength oxidiser and quite active
chemically, and will form ionic bonds with the bicarbonate when the
concentration surpasses the solubility product.

As there has been no NaOH added (sodium hydroxide, caustic soda, Lye)
there is no reason to expect it exists, especially as this product is
also soluble.

Na+ and Ag+ will coexist in solution together quite happily, and the
only precipitation of solid will occur when the concentration of Ag+
exceeds the solubility products of the available anions... at no stage
is there a species which will reduce Ag+ to silver metal as far as I
can see.

Ivan



> -----Original Message-----
> From: Marshall Dudley [mailto:[email protected]]
> Sent: Sunday, 2 December 2001 6:06 a.m.
> To: [email protected]
> Subject: Re: CS>[email protected]
>
>
> Are we certain that AgCO3 will be produced when making CS
> with baking soda?
> Baking soda is NaHCO3.  Since silver is not very active
> chemically, it is quite
> possible that the NaH will bind much more strongly than the
> Ag to the CO3 and
> thus no reaction would take place at all.  The final result
> if it did would be
> AgCO3 H2O and NaOH if this reaction took place.   Since NaOH
> is a much stronger
> base than sodium bicarbonate (AKA sodium hydrogen carbonate
> and baking soda), I
> don't believe the reaction will go that way.  I believe
> instead that mixing lye
> (NaOH) with silver Carbonate would instead produce sodium
> bicarbonate and silver
> metal.
>
> Marshall
>
> Anyone know how to figure this?
>
> Marshall
>
> Nina Silver wrote:
>
> > JAMES:
> > > > > The baking soda per-se, if any, remains in the
> > > > > finished silver, will have insignificant effect on
> human physiology.
> > > > > Perhaps a chemist can tell us the reaction of the carbonate
> > > > > with the silver, if any.
> >
> > IVAN:
> > > > The solubility of silver carbonate is about 30ppm, and
> so a solution
> > > > containing Ag+ cations and CO3- anions will exist up to
> this level.
> > > > There will be no negative consequences with ingesting this
other
> > > > than the release of CO2 gas when the AgCO3 meets the HCl in
the
> > > > stomach, the reaction products most likely being AgCl + H2O
and
> > > > CO2. So one might have just as well have made their brew using
> > > > NaCl.
> >
> > Nina:
> > The CS I used to make with salt was never germicidal enough
> for me. Plus, it
> > was hard to make (lots of flakes on the electrodes).
> >
> > I'm not a chemist; my contribution to this discussion
> involves an experiment
> > a friend of mind did. He made one batch of CS with salt and
> another batch
> > with baking soda. After the CS was brewed, he tested their
> germicidal
> > properties by putting each batch into a separate petri dish
> containing the
> > same microbes.
> >
> > The CS made with salt had almost no germicidal effect. The
> CS made with
> > baking soda did.
> >
> > Best,
> > Nina
> >
> > --
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