Re: Uranium toning and printing

Thanks Jeffrey!
     CHEERS!
       BOB

----- Original Message -----
From: "Jeffrey D. Mathias" <jeffrey.d.mathias@att.net>
Date: Wednesday, November 19, 2003 9:32 am
Subject: Re: Uranium toning and printing

> Bob Kiss wrote:
> > HI AGAIN!
> > Again, I am asking for confirmation. I thought that one
> isotope
> > of Uranium (the one that was used for most uranium compounds for
> sale
> > to we non governmental mortals) was stable and non radioactive
> and the
> > other was unstable and radioactive. I seem to remember 235 and
> 238.
> > Is it that one cannot get a pure sample of the stable isotope so
> any
> > compound containing uranium would have traces of the unstable
> isotope
> > and be slightly radioactive? Otherwise compounds made of the
> stable
> > isotope shouldn't be radioactive at all.
>
> Any element heavier than lead should decay and in the process be
> considered radioactive, some more so than others, and with various
> half-lives.
>
> --
> Jeffrey D. Mathias
> http://home.att.net/~jeffrey.d.mathias/
>
>
>
Received on Wed Nov 19 08:00:52 2003