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Investigation of salt damage in concrete using X-ray fluorescence analysis.

This introduces an investigation of salt damage in concrete using X-ray fluorescence analysis.

Concrete structures face issues such as a decrease in strength when chloride ions penetrate the concrete due to airborne salt and the application of de-icing agents. Therefore, it is important to regularly examine the amount of chloride ions in the concrete. Traditionally, a method called potentiometric titration has been widely used; however, it has problems such as high analysis costs and time consumption. Fluorescent X-ray analysis is gaining attention because it allows for the high-sensitivity and simple measurement of chloride levels in concrete on-site.