Theory of the implementation of the fundamental parameter method for the X-ray fluorescence determination of low-atomic-number elements |
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Authors: | G. V. Pavlinsky A. Yu. Dukhanin E. O. Baranov A. Yu. Portnoy |
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Affiliation: | (1) Research Institute of Applied Physics, Irkutsk State University, bul’v. Gagarina 20, Irkutsk, 664003, Russia |
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Abstract: | The theory of X-ray fluorescence generation in elements with a low atomic number Z is extended to the case of host matrices with high Z. The total contribution of the selective excitation effects is estimated with regard to the cascade K-L transitions. The influence of the elemental composition of the matrix and the excitation conditions on the X-ray fluorescence intensity of the elements in study is assessed. The accuracy of the model of X-ray fluorescence generation in the low-atomic-number elements is confirmed by the agreement of the experimental and calculated intensities of carbon in various carbon-containing compounds. |
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