A micro-XRF spectrometer based on a rotating anode generator and capillary optics
作者： K. Janssens , B. Vekemans , L. Vincze , F. Adams , A. Rindby
DOI: 10.1016/S0584-8547(96)01551-0
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摘要: Abstract The analytical characteristics of a laboratory-scale micro-X-ray fluorescence spectrometer, based on rotating anode X-ray generator and capillary optics, are described. Usually, microbeam 15 μm in diameter, derived from copper or molybdenum operated at 45 kV, is used for sample irradiation. Elemental yields around the 1 count s−1(μg cm−2)−1 level obtained, corresponding to absolute detection limits thin samples 0.05–1 pg range relative MDL levels 3–10 ppm thick organic samples. use instrument studying (trace) element migration Roman glass nondestructive analysis decorations Japanese 18th century porcelain vases
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