[meteorite-list] R: nital and etching

[Francesco Moser]

Thanks to all friends who kindly answer to my question!!!

I remember my old study about chemistry that there is a correct way to 
make a solution with acid, but it passed more than 10years ... so I 
prefer to ask you!

Thanks!


On Aug 26, 2011, at 5:11 AM, "Francesco Moser" <cojack at tiscali.it> wrote:

> Hello dear friends!
> 
> I want to try to etching some iron meteorites and some mesosiderites, but
I
> never try this!
> 
> I have here nitric acid HNO3 at 65% and ethyl alcohol at 96% .... and
now??
> 
> Could you give me some tips about the nital preparation procedure???
> The best percentage? It's better, more safe, to put the HNO3 in the
alcohol
> or vice versa?
> 
> Every tip are welcomed! :)
> 
> Thanks a lot!!!
> 
> Francesco!
> 
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