Abstract

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.

Opto-galvanic spectroscopy in a uranium hollow cathode discharge

R. A. Keller, R. Engleman, and E. F. Zalewski
J. Opt. Soc. Am. 69(5) 738-742 (1979)

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Appl. Opt. 20(21) 3770-3773 (1981)

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J. Rand McNally, George R. Harrison, and Eugene Rowe
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P. Pianarosa, P. Bouchard, J. P. Saint-Dizier, and J. M. Gagné
Appl. Opt. 22(10) 1568-1572 (1983)

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