Document Details

Method of Assaying Ba-140
Kelley, M T [ORNL, Union Carbide and Carbon Corp., Oak Ridge, TN]
Document Location:
DOE INFORMATION CENTER 1 Way, Oak Ridge, TN 37831; Eva Butler; Phone: 865-241-4780; Toll-Free: 800-382-6938, Option 6; FAX: 865-574-3521; Email:
Document Categories:
Specific Material\Fission Products; Science and Technology\Chemistry
Document Type:
Publication Date:
1951 Jan 20
Declassification Date:
1967 Aug 31
Declassification Status:
Document Pages:
Accession Number:
Document Number(s):
CF-51-1-60; Copy #7A; Copy7A
Originating Research Org.:
Union Carbide and Carbon Corporation
OpenNet Entry Date:
1998 Jun 16
This correspondence concerns the method of assaying Ba-140. A change was suggested for the method of assay on Ba-140 in order to approach results obtained by Absolute Beta Counting Using End-Window Geiger-Mueller Counters. The method currently used gives values of only about 70 percent of the values obtained by absolute beta counting. The proposed change will simplify to some extent the method of assay and will also bring the concentration values up to what is felt to be the best obtainable at the present time.

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