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Measurement of Weak Neutron Intensities by Szilard-Chalmers Reaction in Calcium Permanganate Solution

Description: From abstract: "A sensitive method for measuring the intensity of weak neutron sources by measuring induced Mn56 beta activity after concentration by a Szilard-Chalmers process has been developed. The practical detection efficiency for Ra-Be neutron is 7.8%; the procedure is capable of detecting a neutron intensity of about one neutron per second."
Date: September 26, 1946
Creator: Dodson, R. W.; Goldwell, Maxwell & Sullivan, John H.
Item Type: Refine your search to only Report
open access

Methods of Analysis of Fission Products in the Experimental Biology Section

Description: From abstract: "This report describes methods used for radiochemical analysis of fission products most used in the Experimental Biology Section. The report includes methods of analysis of Sr89, Ba140-La140, Zr95-Cb95, Ce144-Pr144, and Y91 by standard chemical procedures. In addition, a method of analysis by use of an absorption curve is described in some detail for Zr95-Cb95 mixtures. The absorption curve method makes possible rapid determination of percentage composition of a mixture of isotop… more
Date: September 26, 1946
Creator: Tompkins, Paul C.; Broido, Abraham; Wish, Leon & Zinn, Walter H. (Walter Henry), 1906-2000
Item Type: Refine your search to only Report
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