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A General Way of Solving Matrix Effect Problems in Elemental Analysis by EDXRFS (CROSBI ID 188281)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Orlić, Ivica ; Makjanić, Jagoda ; Raos, D. ; Valković, Vladivoj A General Way of Solving Matrix Effect Problems in Elemental Analysis by EDXRFS // X-Ray Spectrometry, 17 (1988), 4; 139-143. doi: 10.1002/xrs.1300170405

Podaci o odgovornosti

Orlić, Ivica ; Makjanić, Jagoda ; Raos, D. ; Valković, Vladivoj

engleski

A General Way of Solving Matrix Effect Problems in Elemental Analysis by EDXRFS

Instead of using the complete set of fundamental parameters for solving matrix effects in quantitative energydispersive x-ray fluorescence (EDXRF) analysis, some of them, such as excitation and detection efficiency and the dependence of Compton and Rayleigh scattered intensities on sample composition, were determined from a set of standards such as chemical compounds and pure elements. In this way all fundamental parameters except mass absorption coefficients were removed from the calculation procedure, which results in a much simpler formalism. The computer program COREX based on this principle and described in this paper is relatively simple and can run even on small microcomputers, while the overall error can be kept in the range of a few percent if the calibration procedure and sample preparation were performed carefully.

EDXRF; quantitative analysis; computer program COREX

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Podaci o izdanju

17 (4)

1988.

139-143

objavljeno

0049-8246

1097-4539

10.1002/xrs.1300170405

Povezanost rada

Fizika

Poveznice