User:Sarah Burkhard/Notebook/CHEM 481 Polymers/2017/03/01: Difference between revisions

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==Objectives==
==Objectives==
* filter 25 % beads down to 120 mesh
* filter 25 % beads down to 120 mesh
* we will combine beads smaller than 45 and bigger than 60 with the ones smaller than 35 and bigger than 45, as there are so few  
* we will combine beads smaller than 45 and bigger than 60 with the ones smaller than 35 and bigger than 45, as there are so few
* re-check weight of Round 2 10 % beads to see whether they swelled more
 
 
==Notes==
* 20 ml vials will be used for acid exchange. the beads will soak over several nights in acid, then acid will be exchanged for water and
change in pH over time will be measured.
* then, we will run cabbage dye through bead columns


==Observations==
==Observations==

Latest revision as of 02:14, 27 September 2017

Project name Main project page
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Objectives

  • filter 25 % beads down to 120 mesh
  • we will combine beads smaller than 45 and bigger than 60 with the ones smaller than 35 and bigger than 45, as there are so few
  • re-check weight of Round 2 10 % beads to see whether they swelled more


Notes

  • 20 ml vials will be used for acid exchange. the beads will soak over several nights in acid, then acid will be exchanged for water and

change in pH over time will be measured.

  • then, we will run cabbage dye through bead columns

Observations

  • it seems like the biggest beads take up the most volume, but may not necessarily predominate in absolute number



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