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Importance of geometry in biological sample analysis by x‐ray fluorescence
Author(s) -
Vañó E.,
González L.
Publication year - 1978
Publication title -
medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.473
H-Index - 180
eISSN - 2473-4209
pISSN - 0094-2405
DOI - 10.1118/1.594437
Subject(s) - x ray fluorescence , x ray , fluorescence , biological materials , excitation , sample (material) , optics , materials science , geometry , physics , biological system , mathematics , biology , quantum mechanics , thermodynamics
The determining factors of a good analysis by x‐ray fluorescence are discussed, emphasizing the importance of the geometrical arrangement, especially the excitation‐source to analysis‐material distance. The variation of the peak area of the K α x‐ray of Fe is evaluated as a function of the distance. Precautions are given for the analysis of low concentration samples as well as for obtaining the relative concentration of an element in a specific material or organ.
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