User:Andrew K Farag/Notebook/CHEM-581/2014/11/19

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Objective

  • To run a timed experiment using zeolite
  • Synthesize beads

Notes

Michael represented AMT for the synthesize of beads the following are his notes

Create a bead synthesis process that produces larger quantities of polymer/clay beads.

Beads

  • Create a solution of 2.5 g PVA, 0.275 g NaMT, and 30 mL 10% HCl.
  • Place this solution on a hot plate and heat/stir until everything has dissolved.
  • Add 10 mL of this solution to a 50 mL solution of ethyl acetate stirring at 240 rpm in a dropwise manner.
  • Add 1 mL of glutaraldehyde and stir at 260 rpm for 3 minutes.
  • After 3 minutes, add 1 mL of glutaraldehyde and stir at 300 rpm for 2 minutes.
  • After 7 minutes, add 7 mL of sodium bicarbonate and stir for 30 seconds.
  • Remove the solution, put it into 2 50 mL Falcon tubes.
  • Centrifuge the solutions for 1 minute at 3000 rpm.
  • Pipette all of the liquid out of the tubes and replace with deionized water.


Zeolite

  • Andrew and myself worked on the zeolite experiment
  • Dr. Hartings previously weighed out ~10mg of zeolite for the class.
  • The table below list the weights of zeolite used for each time period.

Zmass.jpg

  • The concentrations of MG absorbed were calculated in the below image

Mg MG per mg zeolite.png



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