Electron Microprobe Lab

MfN - Museum für Naturkunde

last updated: July 19, 2023

About the Laboratory

Electron Microprobe Lab

MfN - Museum für Naturkunde

@ Science Programme Evolution and Geoprocesses / Department of Impact and Meteorite Research

This Laboratory is part of:

Geochemical and Microanalytical Laboratories laboratory complex
Networks: Geo.X

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Description

The Electron Microprobe Lab houses a JEOL JXA-8500F electron microprobe that is equipped with a field-emission cathode, five wavelength-dispersive X-Ray spectrometers, and an energy-dispersive spectrometer. Electron microprobe analysis (EMPA) is mainly used to quantitatively investigate the chemical composition of rocks and mineral phases in the micrometer to centimeter range.
Typically, polished sections of rocks or minerals are used for this purpose, but highly vacuum-resistant fossil specimens can also be investigated. Due to its field-emission cathode, the microprobe can image structures with particularly high (i.e., submicrometer) resolution and can be used for chemical analyses as well as the recognition of elemental distribution patterns down to the nanometer range.

Instruments

An electron microprobe is an electron microscope designed for the non-destructive x-ray microanalysis and imaging of solid materials. It is capable of high spatial resolution and relatively high analytical sensitivity. [Source: Caltech] (Source: Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 16.3 [...] )
EMP - Electron Microprobe
EPMA, Electron Micro Probe Analyzer, Electron Probe Microanalyzer, X-Ray-Microanalyzer

Analytical Methods

An electron microprobe is an electron microscope designed for the non-destructive x-ray microanalysis and imaging of solid materials. It is capable of high spatial resolution and relatively high analytical sensitivity. [Source: Caltech]
This is a general term for methods using bombardment of a solid specimen by electrons which generate a variety of signals providing the basis for a number of different analytical techniques. (Source: IUPAC; https://media.iupac.org/publications/analytical_compendium/) (Source: Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 16.3 [...] )
EMPA - Electron Microprobe Analysis
EPMA, Electron Probe Microanalysis
The Energy Dispersive Analysis of X-ray (EDAX) is a tool that determines the chemical composition of elements.
The Energy Dispersive Analysis of X-Ray (EDAX) is a tool that determines the chemical composition of elements. (Source: NASA; UUID: b3a7155c-5089-4388-a148-8d4defc520f8); Measurement method of X-Ray fluorescence analysis in which the energies and intensities of characteristic X-radiation are used to measure amounts of elements. (Source: IUPAC; https://doi.org/10.1515/pac-2019-0302) (Source: Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 16.3 [...] )
EDAX - Energy Dispersive Analysis of X-Ray
EDS, EDX, EDXA, EDXS, Energy Dispersive X-Ray Microanalysis, Energy Dispersive X-Ray Spectroscopy, Energy-dispersive X-Ray Analysis, Energy-dispersive X-Ray Spectroscopy, XEDS
WDS - Wavelength Dispersive X-Ray Spectroscopy
WDX, WDXS

Laboratory Keywords

In addition to the instruments and analytical methods listed above, these keywords help to describe the work done in the laboratory. This may include the type of samples, standard materials, specific preparative or analytical methods and specific instrument characteristics.

Element Distribution Maps

Disciplines

Geoscience > Geochemistry > Mineralogy
Mineralogy
Geoscience > Geochemistry > Petrology
Petrology

The Research Network for Geosciences in Berlin and Potsdam

Electron Microprobe Lab

MfN - Museum für Naturkunde

About the Laboratory

Electron Microprobe Lab

Access

Description

Instruments

Analytical Methods

Laboratory Keywords

Disciplines

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