x-ray spectroscopy (EDS or EDAX) is a valuable tool in the world of analytical testing.
EDS allows for an elemental
analysis of any sample placed inside the SEM, a perk of analyzing samples with the SEM. Since the sample is being
bombarded with electrons, the various elemental constituents are also generating their own characteristic xrays. These
xrays are collected and displayed in a spectrum.
This is a
very useful in material identification, failure analysis and any other situation in which the elemental constituents of
a sample need to be identified.
A few examples of how EDS can be used to identify:
- Unknown material found during production
- Metal transfer during electrical arcing
- Dental amalgam constituents
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