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Polymer Films as Calibration Standards for X-ray Fluorescence Analysis

Published online by Cambridge University Press:  06 March 2019

T. G. Dzubay ,
P. J. Lamothe  and
H. Yasuda
T. G. Dzubay
Affiliation:
U . S. Environmental Protection Agency Environmental Sciences Research Laboratory Research Triangle Park, WC 27711
P. J. Lamothe
Affiliation:
U . S. Environmental Protection Agency Environmental Sciences Research Laboratory Research Triangle Park, WC 27711
H. Yasuda
Affiliation:
Polymer Research Laboratory Research Triangle Institute Research Triangle Park, NC 27709
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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.

Type
X-Ray Fluorescence
Information
Advances in X-Ray Analysis , Volume 20: Twenty-Fifth Annual Conference on Applications of X-ray Analysis, August 4-6, 1976 , 1976 , pp. 411 - 421
Copyright
Copyright © International Centre for Diffraction Data 1976

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References

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