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Microscopy and Analysis Essential Knowledge Briefing: Energy Dispersive Spectroscopy (EDS)



Essential Knowledge Briefing: Energy Dispersive Spectroscopy (EDS)

As its name suggests, X-ray microanalysis involves using X-rays to study very small scales, down to the micro or even nano and atomic levels. Although there are many different microanalytical techniques, each with its own advantages and disadvantages, none is better than X-ray microanalysis for the routine chemical analysis of small volumes.

In general terms, X-ray microanalysis relies on the ability to detect X-rays generated when a specimen is bombarded with high-energy electrons in an electron microscope, with the method used to detect the X-rays defining the exact form of the technique. The X-rays can be detected using a crystal spectrometer fitted with a diffracting crystal to choose the wavelength of interest, or they can be detected with an energy-dispersive spectrometer, which can separate X-rays with different energy levels. The former is called wavelength-dispersive spectroscopy (WDS) and the latter, and the subject of this briefing, is called energy-dispersive spectroscopy (EDS)…

Click here to download your free copy of the Essential Knowledge Briefing: Energy Dispersive Spectroscopy.

For more information about Microscopy and Analysis Essential Knowledge Briefings visit: http://www.essentialknowledgebriefings.com/.

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