HT Histotechnician

Category - Processing and Embedding

Which of the following choices is an excellent dehydrating agent?
  1. Dioxane
  2. Triethyl Phosphate
  3. Ethyl alcohol
  4. Acetone
Explanation
Answer: A - Dioxane
Dioxane is an excellent dehydrating agent. Dioxane is an excellent clearing agent as well. This is because this agent is readily miscible in water, in melted paraffin, in alcohol, and in xylol. The other agents are not excellent choices as dehydrating agents.
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