[meteorite-list] Cleaning Chondrites

[tett]

Pure Alcohol is best.  I use water free rubbing alcohol from the drug store. 
Be careful and don't breath too much in or get too much on your skin.  First 
dry brush as much as possible.

Some low W0 or W1 chondrite slices can be further cleaned with sulphuric 
acid.  Now you need to be really careful.  I use navel jelly in order to 
remove rust stains.  I have left stuff in for an hour with great results and 
Zag especially cleans well.  With these acids you must know what you are 
doing so if you are not sure ask for help from someone who knows how to 
handle these chemicals.

Once I forgot a specimen for a few days.  Fusion crust completely eaten 
away. ;>)

Cheers,

tett


----- Original Message ----- 
From: "Gary K. Foote" <gary at webbers.com>
To: <meteorite-list at meteoritecentral.com>
Sent: Saturday, January 20, 2007 3:21 PM
Subject: Re: [meteorite-list] Cleaning Chondrites


Hi Martin.

Is distilled water a good cleaning agent with the toothbrush?

Gary

On 20 Jan 2007 at 21:00, Martin Altmann wrote:

> A toothbrush
> And some good movies on TV.
>
> -----Ursprüngliche Nachricht-----
> Von: meteorite-list-bounces at meteoritecentral.com
> [mailto:meteorite-list-bounces at meteoritecentral.com] Im Auftrag von Gary 
> K.
> Foote
> Gesendet: Samstag, 20. Januar 2007 20:21
> An: meteorite-list at meteoritecentral.com
> Betreff: Re: [meteorite-list] Cleaning Chondrites
>
> Sounds expensive.  Any other choices?
>
> Gary
>
> On 20 Jan 2007 at 19:48, PolandMET wrote:
>
> > ultrasonig cleaner is best
> >
> st
>
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