Measurements of the K X-ray intensity ratios by using energy-dispersive X-ray fluorescence spectrometry

K X-ray intensity ratios of some elements have been investigated by using radioisotope excited-energy-dispersive X-ray fluorescence spectrometer. The characteristic X-rays emitted from the samples have been recorded using a Si(Li) detector and they have been fitted to Gaussian functions by using a least-square method. The measured K X-ray intensity ratios have uncertainties of about 5%, and they are in good agreement with theoretical and experimental values available in the literature.