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Feasibility Study for Chemical Analysis by X-ray Spectrometer Using the Fundamental Parameter Method

Application of the fundamental parameter (FP) method was tested for obtaining quantitative X-ray fluorescent analysis of a multi-component inorganic system. The systems selected for analysis were lowalloy steel from the British Chemical Standard and several rock samples from the Geological Survey of Japan. The results were found to be in good agreement with the results determined by both wet chemical analysis and empirical coefficient analysis, and indicate that the FP method is a useful and convenient tool for the quantitative analysis of a multi-component mixture with a complicated chemical component.