X-ray fluorescence spectrometer and X-ray fluorescence analyzing method
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United States of America Patent
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Aug 29, 2017
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app pub date -
Dec 27, 2016
filing date -
Jul 1, 2014
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Abstract
An X-ray fluorescence spectrometer includes: an X-ray source (3) to irradiate, with primary X-rays (6), a sample (1) that is multiple nanoparticles placed on a substrate (10); an irradiation angle adjustment unit (5) to adjust an irradiation angle at which a surface (10a) of the substrate is irradiated; a detection unit (8) to measure an intensity of fluorescent X-rays (7) from the sample (1); a peak position calculation unit (11) to generate a sample profile representing change of the intensity of the fluorescent X-rays (7) against change of the irradiation angle, and to calculate a peak irradiation angle position; a particle diameter calibration curve generation unit (21) to generate a calibration curve; and a particle diameter calculation unit (22) to calculate a particle diameter of nanoparticles of an unknown sample (1) by applying the peak irradiation angle position of the unknown sample (1) to the calibration curve.
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