X-ray diffraction

X-ray diffraction

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This image is part of the feature Geoforensics

Credit: LOUISE MURRAY/SCIENCE PHOTO LIBRARY

Caption: X-ray diffraction results of soil samples taken from a crime scene. The graph plots the diffraction patterns of various soil minerals as peaks of intensity. A computer analysis of the results is able to determine the precise mineral content. X-ray diffraction of soil samples can be used to match a geographical location based on a known database of soil types and assist as evidence towards a crime investigation. Photographed at the Macaulay Institute, Aberdeen, UK.

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Keywords: 2006, analysing, chemical, chemistry, crystallography, detecting, device, diffracting, diffraction, diffraction pattern, diffractometer, equipment, evidence, forensic evidence, forensic science, forensics, geoforensics, graph, instrument, lab, laboratory, peaks, physical, physics, plot, results, sampling, science, scientific, soil, soil sample, technological, technology, x-ray diffraction, xray

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