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Which of the following techniques is most appropriate for determining crystalline structure of environmental samples ?

  • A.Infrared spectroscopy
  • B.X-ray diffraction
  • C.Microspectrophotometry
  • D.Raman spectroscopy

Answer: B

X-ray diffraction is the most appropriate technique for finding the crystalline structure of an environmental sample, since crystals diffract X-rays in a pattern that identifies the minerals present. Infrared, Raman and microspectrophotometry give information on bonds and composition and not on crystal structure. The answer is X-ray diffraction.

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