PUBLIC HEALTH ENGLAND / SCIENCE PHOTO LIBRARY PUBLIC HEALTH ENGLAND / SCIENCE PHOTO LIBRARY
Checking X-ray levels. Scientist using a radiation monitor to see if X-rays are leaking from an X-ray diffractometer. X-ray diffractometry (XRD) is used to determine the constituents of a compound. X-rays are fired at a sample and the angles of diffraction of the X-rays show the spacing and arrangements of the atoms within the sample. The resulting diffraction pattern may then be analysed, allowing researchers to determine the structure type and inter-atomic distances within the compound.
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