User:Anh Do/Notebook/CHEM 481 Polymer/2017/03/08

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Task List

  • Acid exchange of 25% beads
  • Analyze Carmine dye

Acid exchange of 25% beads

  • Create 30 mL of HCl at pH=3
    • 3 mL of 1M HCl + 27 mL water
    • pH measured = 3.308
  • Vacuum filtrate the beads that were separated by sizes
  • Weigh about 0.118g of each batch of beads and put them in a separated glass vial
  • Add 5 mL of HCl at pH=3.308 to each vial
  • Table showing detailed measurement

Analyze Carmine dye

  • Stock Solution:
    • Mass of dye: 0.05060g
    • Volume of water: 100 mL
  • Solution used for experiment:
    • 10 mL of stock solution
    • 90 mL of water
  • Run UV-Vis on the solution used for experiment
  • Carmine trendline

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