Evaluation of a practical background calculation method in X‐ray energy analysis

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Abstract
The background beneath the fluorescence lines of energy dispersive X‐ray spectra obtained with a molybdenam secondary target tube‐excited system can be obtained from the intensities of the coherently and incoherently scattered radiation. The background intensity at a particular energy is equal to the product of a proportionality factor multiplied by the incoherently scattered radiation intensity, plus another proportionality factor multiplied by the coherently scattered radiation intensity. The proportionality factors are determined from measurements of a number of molybdenum‐loaded cellulose filters. The proposed procedure provides accurate results for the analysis of complex X‐ray spectra of thin samples of varying composition.