Yeh, should be Ag, nor Au.  That would be gold fulminate if such a thing exists.

Marshall



James Osbourne, Holmes wrote:

> Is this a typo?
>
> "Silver fulminate is Au2C2N2O2"
>
> James Osbourne Holmes
> [email protected]
>
> -----Original Message-----
> From:   Marshall Dudley [SMTP:[email protected]]
> Sent:   Thursday, October 14, 1999 8:21 AM
> To:     [email protected]
> Subject:        Re: CS>STAINS and H202 use
>
> Fred wrote:
>
> > Blow your stains away!
> >
> > While browsing some government medical abstracts I found
> > that silver and ammonia produce a volitile fulminate (explosive)
> > and silver and hydrogen peroxide react violently (no chemical
> > formation defined) and produce free silver and soluable silver
> > compounds, with flames!
>
> Huh?  I think you need to get another reference. Silver fulminate is 
> Au2C2N2O2.
> There is no carbon in silver or ammonia, so it would be impossible to produce
> this compound by mixing them.  Also how can free silver mixed with ammonia 
> give a
> reaction that produces free silver?  That is what you started with.
>
> > This explains why H202 is a good
> > cleaner for silver deposits. (The danger is only with larger amounts
> > of powdered silver and H202)! I used to make mercury fulminates
> > when young, by mixing ammonia and mercurochrome. The
> > precipitate was then painted on door knobs and after drying needed
> > only to be lightly touched to explode (like a hand full of caps going off).
>
> I am unable to find any references that give the composition of mercurochrome,
> but I suspect that it has the carbon in it for the fulminate.
>
> Marshall
>
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