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

From: Kate Mahoney ^lt;kateb@paradise.net.nz>
Date: 03/28/04-09:16:15 PM Z
Message-id: <000f01c4153c$35a2a890$4826f6d2@yourif5zypd2xn>

Thanks, I will pass this on to my flatmate the potter.

Kate
----- Original Message -----
From: "Robert W. Schramm" <schrammrus@hotmail.com>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Monday, March 29, 2004 11:40 AM
Subject: Re: uranium oxide

>
> Kate,
>
> Depleated simply means that the U-235 isotope has been removed. Natural
> uranium is mostly U-238 and that is what remains and it is very
radioactive.
> I am a retired nuclear physicist. I don't care what the potters handbook
> says, you want to be careful with that stuff.
>
> Bob Schramm
> Check out my web page at:
>
> http://www.SchrammStudio.com
>
>
>
>
>
>
>
>
> >From: Kate Mahoney <kateb@paradise.net.nz>
> >Reply-To: alt-photo-process-l@sask.usask.ca
> >To: alt-photo-process-l@sask.usask.ca
> >Subject: Re: uranium oxide
> >Date: Sun, 28 Mar 2004 23:24:05 +1200
> >
> >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
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > &gt;From: Barry Kleider &lt;bkleider@sihope.com&gt;
> > > &gt;Reply-To: alt-photo-process-l@sask.usask.ca
> > > &gt;To: alt-photo-process-l@sask.usask.ca
> > > &gt;Subject: Re: uranium oxide
> > > &gt;Date: Sat, 27 Mar 2004 16:46:43 -0600
> > > &gt;
> > > &gt;I don't know you.
> > > &gt;We never met.
> > > &gt;I don't know the words to the Internationale.
> > > &gt;I've never read theKoran.
> > > &gt;And I never sent this email.
> > > &gt;
> > > &gt;Barry Kleider
> > > &gt;Photographer. Arts Educator.
> > > &gt;612.722.9701
> > > &gt;email: bkleider@sihope.com
> > > &gt;Web: www.barryphotography.com
> > > &gt;
> > > &gt;
> > > &gt; ----- Original Message -----
> > > &gt; From: Michael Healy
> > > &gt; To: alt-photo-process-l@skyway.usask.ca
> > > &gt; Sent: Saturday, March 27, 2004 1:37 AM
> > > &gt; Subject: uranium oxide
> > > &gt;
> > > &gt;
> > > &gt; I just scored a quantity (a couple pounds, I think)
of
> &quot;black
> > > uranium oxide&quot;. 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?
> > > &gt;
> > > &gt; 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.
> > > &gt;
> > > &gt; Mike
> > >
> > >
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> > >
> > >
> >
>
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Received on Sun Mar 28 21:16:37 2004