Health / Medical Topics |
X-Ray Photoelectron Spectroscopy
A quantitative spectroscopic technique that both determines the identities and percent composition of elements in a material and measures the elemental chemical and electronic states for a sample. The process, which occurs in a vacuum, involves the irradiation of the material of interest with a beam of aluminum or magnesium X-rays while measuring both the kinetic energy and number of electrons that are released from the outer surface. (NCI Thesaurus)
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