DU:
Depleted uranium results from the enriching of natural uranium for use in
nuclear reactors. Natural uranium is a slightly radioactive metal that is
present in most rocks and soils as well as in many rivers and sea water.
Natural uranium consists primarily of a mixture of two isotopes (forms) of
uranium, Uranium-235 (U235) and Uranium-238 (U238), in the proportion of
about 0.7 and 99.3 percent, respectively. Nuclear reactors require U235 to
produce energy, therefore, the natural uranium has to be enriched to obtain
the isotope U235 by removing a large part of the U238. Uranium-238 becomes
DU, which is 0.7 times as radioactive as natural uranium. Since DU has a
half-life of 4.5 billion years, there is very little decay of those DU
materials. [regardless of location]
There are many more sources of natural radiation with similar radioactive
properties, including feldspar in granite and radon in clays.
Hold a Gieger counter up to a Carolina brick one day.
Ode
At 06:32 PM 11/2/2007 -0500, you wrote:
Okay
BUT:
how DU I DU that?
FSF
----------
> Date: Fri, 2 Nov 2007 12:52:27 -1000
> From: papad...@gmail.com
> To: silver-list@eskimo.com
> Subject: Re: CS>Nuclear/cancer: What is DU?
>
> > Can you please explain to us what DU means?
>
> Faith:
> You can ALWAYS use google to find out things
> such as DU. . .
>
> Smitty
>
>
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