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Electron probe microanalysis

Electron probe microanalysis (EPMA), also known as electron probe X-ray microanalysis, electron microprobe analysis (EMPA) or electron probe analysis (EPA) is a microanalytical and imaging technique used to non-destructively determine the chemical element composition of small volumes of solid materials. The device used for this technique is known as an…

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Electron probe microanalysis

Nodes128
Edges127
Triples11
Avg. degree1.98
Density0.015625
Components1

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electron x-ray beam sample x-rays elements microprobe chemical used instrument analysis also characteristic epma electrons produced element composition scanning spectroscopy

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SubjectPredicateObjectConfidenceSrc
Hinstance ofThis restricts WDS when analyzing geologically important elements0.80text
Liinstance ofThis restricts WDS when analyzing geologically important elements0.80text
and Be.Despite the improved spectral resolution of elemental peaksinstance ofThis restricts WDS when analyzing geologically important elements0.80text
some peaks exhibit significant overlap that causes analytical challengesinstance ofThis restricts WDS when analyzing geologically important elements0.80text
Mössbauer spectroscopy or electron energy loss spectroscopy.Element isotopes cannot be determined by WDSinstance ofwhich must be obtained by other techniques0.80text
and are most commonly determined with a mass spectrometerinstance ofwhich must be obtained by other techniques0.80text
crystallizationinstance ofThis information may illuminate geologic processes0.80text
lithificationinstance ofThis information may illuminate geologic processes0.80text
volcanisminstance ofThis information may illuminate geologic processes0.80text
metamorphisminstance ofThis information may illuminate geologic processes0.80text
orogenic eventsinstance ofThis information may illuminate geologic processes0.80text

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