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Precision of X-Ray Emission Measurements in the Determination of Low-Alloy Steels with an X-Ray Spectrograph*

Published online by Cambridge University Press:  06 March 2019

Robert L. O'Neil ,
John B. Neuhardt  and
William P. Shulhof
Robert L. O'Neil
Affiliation:
AC Spark Plug, The Electronics Division General Motors Corporation Flint, Michigan
John B. Neuhardt
Affiliation:
AC Spark Plug, The Electronics Division General Motors Corporation Flint, Michigan
William P. Shulhof
Affiliation:
AC Spark Plug, The Electronics Division General Motors Corporation Flint, Michigan
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Abstract

A large amount of data has been treated statistically to determine daily and long-range variations which occur when replicate determinations are made on low-alloy steel samples. The experiment reported here was designed and run to evaluate the results obtained using an RCA Siemens X-ray spectrograph. As part of a quality-control method for the analysis of low-alloy steels, it was desirable to know the confidence limits for within-day and day-to-day replication. This paper reviews the results of this study and represents an outline of future work planned.

Type
Research Article
Information
Advances in X-Ray Analysis , Volume 5: Tenth Annual Conference on Applications of X-ray Analysis, August 7-9, 1961 , 1961 , pp. 423 - 432
Copyright
Copyright © International Centre for Diffraction Data 1961

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Footnotes

*

Copyright General Motors Corporation. Reprinted by permission.

References

1. Birks, L. S., X-Ray Spectrochemical Analysis, Interscience Publishers, New York, 1959, p. 67.Google Scholar
2. Beers, Y., Theory of Error, Addison-Wesley Publishing Co., New York, 1957, p. 49.Google Scholar
3. Bennett, C. A. and Franklin, N. L., Statistical Analysis In Chemistry and die Chemical Industry, John Wiley and Sons, New York, 1954, p. 442.Google Scholar