Re: query

[daleboyce@charter.net]

Hi,



I can't say if these numbers are correct or up to date. Chemically Pu has a

stronger tendency to hydrolyze (and precipitate) than Am.  If this is the

cause of the difference then you should find that the absorption of Np is

even lower than for Pu.



Dale

daleboyce@charter.net



----- Original Message ----- 

From: "Bernard Cohen" <blc+@PITT.EDU>

To: "radsafe@list.vanderbilt.edu" <radsafe@list.Vanderbilt.Edu>

Sent: Tuesday, June 29, 2004 9:29 AM

Subject: query





> ICRP Publication 30 gives the absorption thru the G-I tract into the

> blood stream, f1, to be 5 times higher for Americium than for Plutonium;

> 5E-4 for Am and 1E-4 for Pu. Does anyone know if these values are

> up-to-date? What is the explanation for this big difference?

>

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