The Spectrographic Determination of Uranium 235. Part II. Using a Direct-Reading Attachment and a Hollow Cathode Source

Authors: Lee, Ted; Rogers, Lewis H.

Source: Applied Spectroscopy, Volume 15, Issue 1, Pages 1-24 (January 1961) , pp. 3-6(4)

Publisher: Society for Applied Spectroscopy

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This report, the second of a series associated with the development of the spectrographic determination of U235 at the Oak Ridge Gaseous Diffusion Plant, describes the development of the direct-reading scanning technique, using a Jarrell-Ash 21-foot Wadsworth spectrograph with a hollow cathode discharge tube to excite the uranium samples. For a determination consisting of ten scans on a single cathode containing the unknown, and ten scans on a single cathode containing a comparison standard, the precision obtained was from ±1.2 to 1.8% of the amount present over a concentration range of 8-12% U235. All precisions are expressed at the 95% confidence level.

Document Type: Research Article


Affiliations: Technical Division, Oak Ridge Gaseous Diffusion Plant, Union Carbide Nuclear Company, Oak Ridge, Tennessee

Publication date: January 1, 1961

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