User:Alicia Rasines Mazo/Notebook/CHEM-581 Experimental Chemistry I/2014/09/03: Difference between revisions

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*Polymer Film in 2 ppm MG
*Polymer Film in 2 ppm MG
**Pan and lid mass: 0.05299 g
**Pan and lid mass: 0.05299 g
**Film mass: 0.0388 g
**Film mass: 0.00388 g
*Polymer Film in 8 ppm MG
*Polymer Film in 8 ppm MG
**Pan and lid mass: 0.05225 g
**Pan and lid mass: 0.05225 g

Revision as of 07:28, 17 September 2014

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Tasks for 3 September 2014

  • Today we started synthesis of two new polymer and polymer-clay films. We also finished making up the films from August 29.
  • Started DSC measurements and FTIR of films

Procedures

Completing Film Synthesis

Continued from Friday, 8/29/2014<br.> Procedure detailed by Dr Hartings

  • Stir in Sodium Sulfate, 1% HCl, and Sodium Bicarbonate solutions

Beginning New Film Synthesis

Procedure detailed by Dr Hartings

  • Polymer film
    • 1.0077 g of PVA were added to 7 mL of water
  • Polymer-10% Clay Film
    • 1.0012 g PVA and 0.1120 g sodium montmorillonite were added to 7 mL of water
Comments
  • There was systematic error in the procedure today
    • Due to close proximity, the polymer and polymer-clay film crosslinked together when gluteraldehyde was added. This made it very difficult to separate the polymer film without breaking it.

Differential Scanning Calorimetry Measurements

From Madeleine's notes

  • Polymer-10% Clay Film in 2 ppm MG
    • Pan and lid mass: 0.05289 g
    • Film mass: 0.00406 g
  • Polymer-10% Clay Film in 8 ppm MG
    • Pan and lid mass: 0.05226 g
    • Film mass: 0.00549 g
  • Polymer-10% Clay Film in 80 ppm MG
    • Pan and lid mass: 0.05297 g
    • Film mass: 0.00338 g
  • Polymer-10% Clay Film in 200 ppm MG
    • Pan and lid mass: 0.05253 g
    • Film mass: 0.00346 g
  • Polymer Film in 2 ppm MG
    • Pan and lid mass: 0.05299 g
    • Film mass: 0.00388 g
  • Polymer Film in 8 ppm MG
    • Pan and lid mass: 0.05225 g
    • Film mass: 0.00349 g
  • Polymer Film in 80 ppm MG
    • Pan and lid mass: 0.04741 g
    • Film mass: 0.00393 g
  • Polymer Film in 200 ppm MG
    • Pan and lid mass: 0.05242 g
    • Film mass: 0.00349 g
  • Polymer-10% Clay Film
    • Pan and lid mass: 0.05261 g
    • Film mass: 0.00442 g
  • Polymer Film
    • Pan and lid mass: 0.05213 g
    • Film mass: 0.00471 g

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