Re: How much plutonium?????

[Bernard L Cohen <blc+@pitt.edu>]

On Mon, 8 May 2000, Michael McNaughton wrote:
> 
> There are about 100 radioactive decays per second in the body, mostly from
> natural potassium-40.

	--I couldn't rapidly find the amount of potassium in the human
body, but meat has about 100 K40 decays per second per kilogram. Assuming
the percentage of potassium is similar in meat and in the human body, and
the mass of the body is 75 kg, there are 7500 decays per second in the
body from K40.

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