--- In
Homebrew_PCBs@yahoogroups.com, David Griffith <dgriffi@...> wrote:
>
> On Tue, 2 Feb 2010, Dave wrote:
>
> > Yes, Hydrogen Sulfide will dull the sense of smell, possibly allowing the
> > person breathing it to receive a fatal dose. Use caution!
> >
> > I used to have a really nice Tin plating recipe. It used Sodium Chloride,
> > Stannous Chloride, and Sodium Cyanide. Yes, I'm being serious, and
> > no, I don't use it any more.
>
> What's its shelf-life in solution?
If it wasn't exposed to air, it would last many months. If exposed to air
(as in some fool left it out in the plating tray overnight), then it would die
within a few hours.
> --
> David Griffith
> dgriffi@...
Dave