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KMID : 1059519930370100861
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Journal of the Korean Chemical Society
1993 Volume.37 No. 10 p.861 ~ p.866
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Matrix Effects on X-Ray Fluorescence Intensities in Fe-Ni-Cr System
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Yang Che-Hyon
Yeh Jin-Hae
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Abstract
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In general, the concentration of constituents can be more accurately measured in x-ray fluorescence analysis of Fe-Ni-Cr alloy by reducing and correcting the matrix effect with standard ingot samples. Because of the difficult the treatment at a high temperature in preparing the ingot samples of various concentrations, several standard specimens were prepared by mixing the powders of the metallic oxides in certain proportions and pressing them with a costant pressure. With the metallic oxide specimens thus obtained, different matrix coefficients were calculate from the intensities of the strength of the x-ray fluorescence and the concentration of the substances. It is found that effects of Fe and Cr on Ni are absorption rich and effects of Fe and Ni on Cr are enhancement rich, whereas Ni enhances Fe Fluorescence but Cr absorves Fe Kα line. And the x-ray fluorescence intensities were compared and analyzed between the metallic oxides and the ingot samples.
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KEYWORD
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