[NewCandle] aluminum holiday

[Nick Reiter]

Hi Keith,

OK, all that is duly recorded.  Thank you!

I ran some EDS on shavings from both samples, to serve
as baseline.  Overall, the original alloy material is
purer.  Can't quite place the alloy, as far as what
series.  It has a tiny bit of carbon, and about 1.5%
magnesium.  Low oxygen content.  No Si, Cu, or Fe.

The strip from your stockpile might be a 4000 series. 
It has a little Mg (less than 1%) and a little Si
also.  It also seems to be a higher oxygen alloy.

I took 650mg of the silver nitrate, and dissolved it
in DI water to make about 38ml of .1M solution at RT. 
This seems like a good stock solution to work out of
for an initial screening and growth test.  I think
that by carefully watching the molarity and volume of
starting solutions, and careful weighing of starting
aluminum, the amount of available silver should be
fairly well known at any time.  Anything as an outcome
that deviates from that by maybe 10% or so should be
easy to pick out with a milligram balance.

N


> Hey Nick,
> 
> The one with the hole in it is the claimed original
> material.
> The other happens to be an alloy that I have a lot
> of.
> 
> K.


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