Sometimes, due to certain elements having x-rays with energies that overlap, incorrect automatic determination of elements can occur during Energy Dispersive X-Ray Spectroscopy (EDS). This quick video gives a few examples of potential overlaps, how you can determine candidates in your own analysis and discusses how use of other higher energy peaks and wavelength-dispersive X-ray spectroscopy (WDS) techniques can help to confirm or discount the presence of elements in a given sample.
Energy Peak overlapping discussion - from an online book by Yougui Liao
Excel file to help identify potential EDS overlap problems.
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