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Polymer Films as Calibration Standards for X-ray Fluorescence Analysis

  • T. G. Dzubay (a1), P. J. Lamothe (a1) and H. Yasuda (a2)

Abstract

A new type of calibration standard has been developed for X-ray fluorescence analysis of thin samples. Each standard consists of a polymer film containing a single calibration element. The film is cast from a homogeneous solution containing known amounts of an organometallic compound and a polymer. Polymers of cellulose acetate-propionate and polystyrene are used because of their low moisture affinity. The films have a low (2-4 mg/cm2) mass per unit area for minimal X-ray attenuation. Standards of V, Co, Hi, and Pb have been successfully made. Typical concentrations of 20 μg/cm2 yield excellent spectra with a low background. The method shows promise for making standards of additional elements.

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References

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1. Pradzynski, A. H. and Rhodes, J. R., “Development of Synthetic Standard Samples for Trace Analysis of Air Particulates Publication 598, p.320336, American Society for Testing and Materials (1976).
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5. Giauque, R. D., Garrett, R. B., and Goda, L. Y., “Calibration of Energy Dispersive X-Ray Spectrometers for Analysis of Thin Environmental Samples,” in X-Ray Fluorescence Methods for Analysis of Environmental Samples, Chapter 11, Ann Arbor Science (1976).
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Polymer Films as Calibration Standards for X-ray Fluorescence Analysis

  • T. G. Dzubay (a1), P. J. Lamothe (a1) and H. Yasuda (a2)

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