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Re: query

At 07:29 AM 6/29/2004, Bernard Cohen wrote:

>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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June 29, 2004



The "effective solubility" of americium dioxide is greater than the 

"effective solubility" of plutonium dioxide.  These differences have been 

demonstrated in both in vivo and in vitro studies. Americium is not 

identical to plutonium.



Otto





**********************************************

Prof. Otto G. Raabe, Ph.D., CHP

Center for Health & the Environment

(Street Address: Bldg. 3792, Old Davis Road)

University of California, Davis, CA 95616

E-Mail: ograabe@ucdavis.edu

Phone: (530) 752-7754   FAX: (530) 758-6140

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