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Optimization of geometry for radioisotope excited X-ray fluorescence spectrometry (1987)

Dos Santos, J. M. F. ; Conde, C. A. N.

New York, NY [u.a.] : Wiley-Blackwell

X-Ray Spectrometry 16 (1987), S. 217-221

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ISSN: 0049-8246

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Physics

Notes: The source-sample-detector efficiency for the recessed source geometry was evaluated, using Monte Carlo techniques, for a variety of samples and sources and found to be superior to that for other geometries in energy-dispersive X-ray fluorescence analysis. The samples considered were those with atomic number in the range 14 - 44 and the radioactive sources were 55Fe, 244Cm and 109Cd. Efficiencies well above 1% can be achieved for the recessed source geometry and samples with atomic number above 20. The values attainable are around four times larger than those for the annular source geometry.

Additional Material: 6 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/xrs.1300160507

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