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Absorption correction method based on the power function of continuous scattered radiation
Author(s) -
Bao Sheng Xiang
Publication year - 1998
Publication title -
x‐ray spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.447
H-Index - 45
eISSN - 1097-4539
pISSN - 0049-8246
DOI - 10.1002/(sici)1097-4539(199809/10)27:5<332::aid-xrs271>3.0.co;2-p
Subject(s) - attenuation coefficient , radiation , mass attenuation coefficient , attenuation , range (aeronautics) , scattering , intensity (physics) , computational physics , matrix (chemical analysis) , absorption (acoustics) , optics , power (physics) , radiant intensity , physics , function (biology) , inverse , materials science , mathematics , geometry , thermodynamics , evolutionary biology , biology , composite material
It is demonstrated that the mass attenuation coefficient is not linearly related to the inverse intensity of continuous scattered radiation as assumed in the scattering internal standard method. A power function relationship between the absorption and the scatter over more than a limited range of matrix composition is predicted theoretically and supported by experimental results. As an example of the application of the method it was applied to the determination of trace Sr in geological samples. The accuracy of this method is much better than that of the traditional scattered internal standard technique over a wide range of matrix compositions. © 1998 John Wiley & Sons, Ltd.