User:Sarah Burkhard/Notebook/CHEM 481 Polymers/2017/02/17: Difference between revisions

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Latest revision as of 02:14, 27 September 2017

Project name Main project page
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Objectives

  • Vacuum filter and dry 40 % beads
  • Calculate swelling for dried beads and start sieving them (10 % beads)
  • We will start sieving with 45 mesh, 60 mesh , 80, and 120 mesh. This corresponds to 354 um, 250 um, 177 um, 125 um.

Data

  • mass of the dry 10 % beads: 2.92 g
  • mass of wet beads: 28.2 g
  • swelling: 867 %
  • pH of acid we immersed the yellow beads in : 1.04

Notes

We will try wet sieving, as dry sieving was unsuccessful. The beads stuck together.




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