Eosin Y Solutions

Created by Karen Darley, Modified on Fri, 3 May at 3:43 PM by Kathleen Patrick

Preparation:

  • Prepare eosin Y stock solution. Add 2.0g of water-soluble eosin Y to 40ml of double-distilled H2O, and mix until dissolved. Then add 160ml of 95% ethanol, and mix. Store at room temperature.
  • Prepare eosin Y working solution. Add 200ml of eosin Y stock solution to 600ml of 80% ethanol and mix well. While working in a fume hood, add 4ml of glacial acetic acid and mix well. 
  • Store covered at room temperature.


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