Electron Probe Micro analyzer (EPMA) | instrument

EDS, WDS, CL, Maps, SEI, BSEI

In our lab, we have a JEOL Superprobe JXA-8230. The EPMA designed for chemical analysis of the characteristic X-Rays emitted from a sample when probed by an electron beam. An EPMA can quantify elemental concentration using electron dispersive spectroscopy (EDS) and wavelength dispersive spectroscopy (WDS) to detect and count characteristic X-Rays emitted from a sample. There are pros and cons to using the EDS and WDS detector (mainly time and the necessity of experience using the techniques). We will be happy to discuss these in person


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Edmond J. Safra (Givat-Ram)

EPMA


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