✦ LIBER ✦

Discharge Conditioning for Isotope Ratio Measurements by Glow Discharge Optogalvanic Spectroscopy

✍ Scribed by R. W. Shaw; C. M. Barshick; L. W. Jennings; J. P. Young; J. M. Ramsey

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 521 KB
Volume: 10
Category: Article
ISSN: 0951-4198
DOI: 10.1002/(sici)1097-0231(199602)10:3<316::aid-rcm479>3.0.co;2-j

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✦ Synopsis

Several methods were explored for improving the glow discharge optogalvanic signal that can be used for determining uranium isotope ratios. The discharge was conditioned by purification of the argon feed gas, use of a non-evaporable zirconium alloy getter, condensation of discharge impurities on a cooling loop near -18O"C, and inclusion of tantalum metal in the sample cathodes to serve as a source of sputtered Ta atoms. Signal improvements of up to 20-fold were observed.

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