Abstract
A secondary target tube excited x-ray fluorescence apparatus was compared with a conventional sequential wavelength dispersive spectrometer. Representative samples from the lead industry, an agglomerate for the lead production and a typical air particulate sample collected on cellulose filter were used in the comparison. The following factors were considered: resolving power, spectral interferences, intensity and peak-to-background ratio, sensitivity, reproducibility and precision. The energy dispersive method is advantageous for the multi-element analysis with limited precision of thin samples of environmental composition.
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