electron probe x-ray microanalysis


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electron probe x-ray microanalysis

[i¦lek‚trän ‚prōb ¦eks‚rā ‚mī·krō·ə′nal·ə·səs]
(analytical chemistry)
An analytical technique that uses a narrow electron beam, usually with a diameter less than 1 millimeter, focused on a solid specimen to excite an x-ray spectrum that provides qualitative and quantitative information characteristic of the elements in the sample. Abbreviated EPXMA.
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