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All of the following are established uses of X-ray diffraction on a ceramic raw material EXCEPT

  • A.measuring the plasticity of a wet clay
  • B.identifying the crystalline phases present
  • C.estimating the proportion of each phase
  • D.distinguishing between polymorphs of silica

Answer: A

Plasticity is a mechanical property of the wetted mass and has nothing to do with diffraction, which is carried out on a dry powder. The other three are all routine applications of the technique in a ceramic laboratory.

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