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Determination of Uranium Dioxide in Stainless Steels by the X-ray Fluorescence-Solution Method

Published online by Cambridge University Press:  06 March 2019

Louis Silverman ,
William Houk  and
Lavada Moudy
Louis Silverman
Affiliation:
Atomics International, Canoga Park, California
William Houk
Affiliation:
Atomics International, Canoga Park, California
Lavada Moudy
Affiliation:
Atomics International, Canoga Park, California
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Abstract

This paper outlines a rapid method for the determination of uranium dioxide in stainless steel by direct X-ray fluorescence analysis after chemical solution of the sample in perchloric acid. A scintillation counter is used to detect the intensity of the radiation. Modifications in the apparatus needed to insure stabilization of the counter are described. Strontium is used as internal indicator. The determination of uranium is unaffected by the presence of large amounts of iron, chromium or nickel at the dilutions described. The counting time for four pairs of counts (uranium and strontium) is about 12 minutes.

A standard deviation corresponding to one-half to one per cent of the uranium dioxide present was observed on synthetic samples ranging from 15 to 25% uranium dioxide.

Type
Research Article
Information
Advances in X-Ray Analysis , Volume 1: Sixth Annual Conference on Industrial Applications of X-ray Analysis, August 7-9, 1957 , 1957 , pp. 271 - 281
Copyright
Copyright © International Centre for Diffraction Data 1957

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References

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6. Silverman, L., and Houk, W. W., North American Aviation, Inc., Special Report - 1788.Google Scholar