نتایج جستجو برای: micro xrf
تعداد نتایج: 117929 فیلتر نتایج به سال:
Laboratory-based characterization of plutonium in soil particles using micro-XRF and 3D confocal XRF
Confocal X-ray fluorescence (XRF) spectrometry can be used to perform three-dimensional elemental analysis, which is impossible using general micro XRF without any collimating optics in the detection channel. In this study, we designed, for first time, a new confocal line (C-L-XRF) system that obtain information of larger area and higher intensity analysis than conventional point (C-P-XRF) anal...
The spatial resolution of micro-XRF can be improved by oversampling and image restoration techniques.
Since most available micro x-ray fluorescence (micro-XRF) spectrometers operate in air, which does not allow the analysis of low-Z elements (Z or = 6). It offers improved excitation and detection conditions necessary for light element analysis. To eliminate absorption of the ...
Raman spectroscopy and X-ray fluorescence (XRF) analysis are commonly applied to archaeological objects as a fast and nondestructive way to characterize the materials. Here, micro-Raman spectroscopy and chemometrics on handheld XRF results were used to completely characterize beads found during archaeological excavations in the Congo. Metallic objects, organogenic materials, and glass beads wer...
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