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Application of nuclear reaction analysis to trace oxygen analysis in metal fluoride materials

Published online by Cambridge University Press:  31 January 2011

B-L. Hu ,
K. W. Jones ,
F. N. Tebbe ,
L. E. Firment  and
L. H. Brixner
B-L. Hu
Affiliation:
Brookhaven National Laboratory, Upton, New York 11973
K. W. Jones
Affiliation:
Brookhaven National Laboratory, Upton, New York 11973
F. N. Tebbe
Affiliation:
E. I. du Pont de Nemours & Company, Wilmington, Delaware 19898
L. E. Firment
Affiliation:
E. I. du Pont de Nemours & Company, Wilmington, Delaware 19898
L. H. Brixner
Affiliation:
E. I. du Pont de Nemours & Company, Wilmington, Delaware 19898
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Abstract

Trace oxygen contamination of metal fluoride glasses degrades their performance in applications such as optical fibers or x-ray phosphors. Traditional methods for oxygen determination based on reaction with carbon to form carbon monoxide are slow and insensitive. We have used nuclear reaction analysis, in particular the 18O(p, α) reaction, to determine oxygen content in a variety of metal fluorides. Careful choice of the energy of the incident proton eliminates interference from fluorine. Standardless quantification of our measurements yields good agreement with the known oxygen content of mixtures of oxides and fluorides and with several (non-fluoride) NBS standards over four orders of magnitude. Measurement of 30 ppm oxygen has been demonstrated.

Type
Articles
Information
Journal of Materials Research , Volume 4 , Issue 4 , August 1989 , pp. 916 - 922
Copyright
Copyright © Materials Research Society 1989

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References

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