TotalReflection  XRay  Fluorescence  Analysis
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全反射 X 射线荧光分析 PowerPoint PPT Presentation


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Total—Reflection X—Ray Fluorescence Analysis. 全反射 X 射线荧光分析. X 射线 荧光基础. 光谱机理. 在光电吸收过程中,原子内某些电子吸收了特定能量后被逐出,在轨道中形成空穴。 此时,其外层轨道电子会发生跃迁来填补这些空穴。 跃迁电子产生的空穴再由外一层电子通过跃迁填补。。。 如此继续,直至自由电子进入轨道为止. 每一次的跃迁都伴随有能量的释放,从而形成受激原子的二次 X 射线。 该 X 射线可被探测,并以谱的形式记录下来。其中的峰,即谱线原子的特征,表明样品中含有相应的元素 。.

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全反射 X 射线荧光分析

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  • TotalReflection XRay Fluorescence Analysis

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Icp aec icp ms inaa xrf

(ICP-AEC)(ICP-MS)(INAA)XRF


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  • XRF40X


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  • TXRF0`1

  • XTXRF

TXRF


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  • X150003000300

  • TXRFEXTRARich.Seifert&Co.1980


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TXRF


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  • (IUPAC)TXRFMicroanalysis


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