Hello!
Yes, what I wrote in my first email was not clear and easy to 
misunderstand.
I don't want to destroy the slice, I want to save it, but I need to remove the 
rust.
On the surface I can easily do with sand paper, but I don't know how to procede 
inside the sockets of the fell olivines and also on the olivines for glue them 
back in the sockets.

I studied a lot of chemestery at high school and also did a lot of laboratory, 
we used also very high concentrated acid and bases. 
I know those substances are dangerous and I know how to manage them!
Thanks for the advise!!!

Thanks!

<x>x<x>x<x>
Francesco

-----Messaggio originale-----
Da: Meteorite-list [mailto:meteorite-list-boun...@meteoritecentral.com] Per 
conto di MexicoDoug via Meteorite-list
Inviato: martedì 20 settembre 2016 17:57
A: meteorite-list@meteoritecentral.com
Oggetto: Re: [meteorite-list] acid for pallasite

Resending see my opinion below interpreting your question to deal with 
extracting the olivines by consuming the metal matrix.

Sent from AOL Mobile Mail


-----Original Message---


I have never wanted to consume an iron meteorite, but if I did, I would buy 
some inexpensive 37% (concentrated) muriatic acid for $5 a gallon or whatever 
it is costing now. 

Then buy both goggles an a face shield neoprene gloves and dilute the acid with 
water to as close to 20% as possible.  Put on the protection and cover all my 
skin with clothing.  Then I would simmer (hold just below boiling) a pot of 
water and put a second pot inside with the meteorite in 20% acid with a clear 
cover and keep the simmer until satisfied with the dissolution.<div> The 20% 
would be critical to me due to the properties of the acid, not more.  Less 
would be slower so it depends on the job that needs to be done.

Muriatic acud is a common name for hydrochloric acid industrial low grade can 
be bought in places in the US for example to add to pools to lower pH or for 
cleaning some toilets and plumbing etc.

Never done this but it is what I'd do since HCl is probably the safest strong 
mineral acid that's cheap.  Other strong acids and more dilute or lower temps 
might be sufficient, so you can work up to your need if time is not an issue.

Be careful and famaliarize yourself withe the risks if you haven't already.
Best wishes
Doug
Sent from AOL Mobile Mail
-----Original Message-----
From: Francesco Moser via Meteorite-list <meteorite-list@meteoritecentral.com>
To: Meteorite-list <Meteorite-list@meteoritecentral.com>
Sent: Tue, Sep 20, 2016 09:43 AM
Subject: [meteorite-list] acid for pallasite Hello!
Wich kind of acid I can use for dissolve the iron/rust in a Pallasite, so I can 
save the Olivine?
Thanks a lot!
<x>x<x>x<x>
Francesco
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