Small region XRF in-situ analysis of solid-liquid interface analysis

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It is very important to investigate and control solid-liquid interfaces, where various chemical reactions such as corrosions occur. In this research, the primary x-rays were introduced in the solutions through the newly developed injection-needle type collimator. The XRF produced in the solution was also measured through the needle collimator by the x-ray detector. Finally, it was confirmed that a direct XRF analysis of the surface of solid materials in the solution could be performed as well as the direct XRF analysis of the liquid-liquid interfaces.