Polymer Films as Calibration Standards for X-ray Fluorescence Analysis

Author:

Dzubay T. G.,Lamothe P. J.,Yasuda H.

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.

Publisher

Cambridge University Press (CUP)

Reference6 articles.

1. Jaklevic J. M. , Goulding F. S. , Jarett B. V. , and Meng J. D. , “Applications of X-Ray Fluorescence Techniques to Measure Elemental Composition of the Atmosphere,” in Stevens R. K. and Herget W. Y. , Editors, Analytical Methods Applied to Air Pollution Measurements p.123–146, Ann Arbor Science (1974).

2. 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).

3. “Calibration of an Energy Dispersive X-Ray Fluorescence Spectrometer,”;Stiles;Advances in X-Ray Analysis,1976

4. Preparation of standard targets for x-ray analysis

5. Intercomparison of trace element determinations in simulated and real air particulate samples

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