March 2004 Alt-photo-process-L: Re: uranium oxide

From: Kate Mahoney ^lt;kateb@paradise.net.nz>
Date: 03/28/04-05:24:05 AM Z
Message-id: <000e01c414b7$2ea73fe0$2626f6d2@oemcomputer>

I have a ceramics student at hand who assures me that the black uranium used
in glazes is depleted and not highly radioactive....:) in fact he looked it
up in the potters dictionary on the spot

Kate

----- Original Message -----
From: "Robert W. Schramm" <schrammrus@hotmail.com>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Sunday, March 28, 2004 11:22 AM
Subject: Re: uranium oxide

>
> Black uranium oxide is just that---uranium oxide. It is used in ceramics
> glazes. The "yellow stuff" is uranium nitrate. They are not
interchangable.
>
> Not trying to be nasty, but if one does not know the difference between
an
> oxide and a nitrate, maybe one should not be dealing with this stuff.
>
> Both of these compounds are dangerous. Of course they are both
radioactive.
>
> I believe that the oxide is not soluable in water. The nitrate is soluable
> in water and can be absorbed through the skin. I wouldn't want to breath
> any of the oxide powder. I would think it would hang around in the lungs
for
> quite a while.
>
> Just a word of caution. The larger the mass of the sample, the more
> radiation produced. A pound sounds to me like a lot. I hope its in a
sealed
> container.
>
>
> Bob Schramm
> Check out my web page at:
>
> http://www.SchrammStudio.com
>
>
>
>
>
>
>
>
> >From: Barry Kleider <bkleider@sihope.com>
> >Reply-To: alt-photo-process-l@sask.usask.ca
> >To: alt-photo-process-l@sask.usask.ca
> >Subject: Re: uranium oxide
> >Date: Sat, 27 Mar 2004 16:46:43 -0600
> >
> >I don't know you.
> >We never met.
> >I don't know the words to the Internationale.
> >I've never read theKoran.
> >And I never sent this email.
> >
> >Barry Kleider
> >Photographer. Arts Educator.
> >612.722.9701
> >email: bkleider@sihope.com
> >Web: www.barryphotography.com
> >
> >
> > ----- Original Message -----
> > From: Michael Healy
> > To: alt-photo-process-l@skyway.usask.ca
> > Sent: Saturday, March 27, 2004 1:37 AM
> > Subject: uranium oxide
> >
> >
> > I just scored a quantity (a couple pounds, I think) of "black
> uranium oxide". It really is black. This stuff doesn't look at all
like
> the vials of yellow stuff I've purchased on eBay in gram form. I'm
wondering
> about the difference. Rifling through Google, I'm looking for one, but I'm
> not getting every far. So I'm wondering - does anybody know what BLACK
> uranium oxide is, and why it's different from the yellow stuff?
> >
> > In case you're wondering, this is NOT Ashcroft-related, not in my
> opinion, anyhow. (If they come for me, tho, there's really no arguing...)
> This is strictly for toning. But the black stuff may be for ceramic
glazes.
> It seems to have a melting point just this side of what they detonated
over
> Nevada in 1944.
> >
> > Mike
>
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Received on Sun Mar 28 05:31:03 2004