Bulk and microprobe analysis for trace elements with synchrotron radiation |
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Authors: | WJM Lenglet RD Vis F Van Langevelde H Verheul |
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Institution: | Vrije Universiteit, Natuurkundig Laboratorium, De Boelelaan 1081, 1081 HV Amsterdam The Netherlands |
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Abstract: | Blood serum samples were irradiated by monochromatic synchrotron radiation (15 keV) and by 2.4-MeV protons to compare their performance for the detection of trace elements by x-ray fluorescence (XRF) spectrometry. Absolute concentration assignment was based on the addition of an internal standard and on a method which uses the incoherent and coherent radiation as a flux monitor of the incoming beam. Preliminary experiments with a synchrotron XRF microprobe are reported. |
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