[meteorite-list] etching irons with ferric chloride solution from radio shack

[Göran Axelsson]

I thought that the general idea was chlorine and iron makes rusting 
meteorites.
I wouldn't use it myself. I used some to etch circuit boards in my youth and
if you drop some grains of iron chloride it will pull moisture from the air
until it's completely dissolved.
If you dip an iron into FeCl solution it will be drawn into dry 
fractures and
surfaces and to get it out without electrolysis is probably really slow 
work.

Am I wrong in my speculations? Anyone tested this already?

I use the alcohol and nitric acid etch. Not only because I have it 
handy, but
also to avoid chlorine contaminations.

/Göran

harlan trammell wrote:

> i thought i'd try it on a cheap iron- anybody got any pointers on 
> swabbing, rinsing , waiting, etc.?!
>
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