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State whether the following is true or false.
A single characterisation technique is usually sufficient to specify a ceramic raw material.

  • A.False
  • B.True only at large scales
  • C.False only at small scales
  • D.True

Answer: A

Composition, mineralogy, particle size, thermal behaviour and colour are separate properties measured by separate methods. A specification for a commercial clay typically cites half a dozen figures from as many techniques. Each figure comes from a different method and answers a different question.

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