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Author: Subject: Halogen Colors
pantone159
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[*] posted on 23-8-2009 at 07:08


Quote: Originally posted by Jdurg  
The only place that I know of which may have images of pure metallic Actinium would be the British Government. I believe they own virtually the entire world's supply of Actinium and have photographed it many times, but those photographs are not released to the public.

Are you thinking of Protactinium instead? IIRC the British did separate a considerable amount of Pa many years ago, and made this available to other researchers. It is apparently a real hassle to separate it, it forms some polymeric goop when hydrolyzed, or something like that.

I don't have any pictures of Pa metal either, only some of Pa oxide.

As far as the last pic of Ac, I think that the blue glow is simulated. The first one seems to be too big a piece for me to really believe it is Ac. (However it is hard to tell the size.) I'd expect a piece of material that contains Ac along with mostly other things. (E.g. natural U metal, a used fuel rod (would that give you more Ac???), or something.)
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