[meteorite-list] Picric acid

Very unstable.  If old , it is shock sensitive and explosive.  I suggest a different organic acid.  

Sent from my iPhone

> On Jan 15, 2023, at 12:52 PM, John Lutzon via Meteorite-list <meteorite-list at meteoritecentral.com> wrote:
> 
> ?
>     Hello,
> 
>  Anyone with experience with Picric acid as a meteorite etchant?
> 
>  Thanks, John 
> 
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