User:Melissa Novy/Notebook/CHEM-572/2013/04/02

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(Autocreate 2013/04/02 Entry for User:Melissa_Novy/Notebook/CHEM-572/2013/03/26)
Current revision (15:19, 10 April 2013) (view source)
(Ion Exchange with AgNO3 and Laponite)
 
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|colspan="2" style="background-color: #F2F2F2;" align="right"|[[{{FULLPAGENAME}}/Entry_Base|Customize your entry pages]] [[Help:Notebook/Project_Base/Customize_entry_page|<html><img src="/images/a/aa/Help.png" border="0" /></html>]]
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==Entry title==
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* Insert content here...
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==Objectives==
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* Make DH5α-T1 cell starter cultures for 15-h bacterial growth inhibition study on [[User:Melissa_Novy/Notebook/CHEM-572/2013/04/03|2013/04/03]].
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* Begin 105% ion exchange reaction with AgNO<sub>3</sub> and Laponite in (50:50) H<sub>2</sub>O:EtOH.
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* Make 3 g films of PLA2002D + 33wt% LMT and PLA2002D + 33wt% AgLMT.
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==Ion Exchange with AgNO<sub>3</sub> and Laponite==
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* In order to increase the amount of silver present in polymer films containing silver-loaded clay, a new batch of AgLMT was synthesized with a calculated cation exchange percentage of 105%.  In other words, Ag<sup>+</sup> was present in excess in the reaction solution.  Please refer to the calculations below, given that the amount of LMT needed was 4 g.
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  '''MW AgNO<sub>3</sub>: 169.87 g/mol'''
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  '''CEC LMT: 55 meqv/100 g LMT'''
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  '''4 g LMT × (55 meqv/100 g LMT) × (1 mol Ag<sup>+</sup>/1000 meqv) × (1 mol AgNO<sub>3</sub>/1 mol Ag<sup>+</sup>) × (169.87 g AgNO<sub>3</sub>/1 mol AgNO<sub>3</sub>) × 105% = 0.39240 g AgNO<sub>3</sub>'''
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* The protocol for the ion exchange can be found in the entry on [[User:Melissa_Novy/Notebook/CHEM-572/2013/01/29|2013/01/29]].  Note that 60 mL of (50:50) by volume pure H<sub>2</sub>O:EtOH was used to prevent the formation of a Laponite hydrogel.
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<br>
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* Theoretical mass Laponite: 4 g
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** Actual mass Laponite: 4.00178 g
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* Theoretical mass AgNO<sub>3</sub>: 0.39240 g
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** Actual mass AgNO<sub>3</sub>: 0.39190 g
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==PLA2002D Films==
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* 100AgLMT made on [[User:Melissa_Novy/Notebook/CHEM-572/2013/02/05|2013/02/05]] was used in the film of PLA2002D + 33wt% AgLMT.
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* Please refer to the protocol on [[User:Melissa_Novy/Notebook/CHEM-572/2013/02/06|2013/02/06]] and calculations on [[User:Melissa_Novy/Notebook/CHEM-572/2013/03/27|2013/03/27]].
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<br>
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PLA2002D + 33wt% LMT
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* Theoretical mass PLA2002D: 3 g
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** Actual mass PLA2002D: 3.03048 g
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* Theoretical mass LMT: 1.02206 g
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** Actual mass LMT:
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PLA2002D + 33wt% 100AgLMT
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* Theoretical mass PLA2002D: 3 g
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** Actual mass PLA2002D: 3.01800 g
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* Theoretical mass 100AgLMT: 1.02206 g
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** Actual mass 100AgLMT:
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__NOTOC__
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[[category:OWWLabNotebookV1]]
 

Current revision

Search this Project

Customize your entry pages

Objectives

  • Make DH5α-T1 cell starter cultures for 15-h bacterial growth inhibition study on 2013/04/03.
  • Begin 105% ion exchange reaction with AgNO3 and Laponite in (50:50) H2O:EtOH.
  • Make 3 g films of PLA2002D + 33wt% LMT and PLA2002D + 33wt% AgLMT.

Ion Exchange with AgNO3 and Laponite

  • In order to increase the amount of silver present in polymer films containing silver-loaded clay, a new batch of AgLMT was synthesized with a calculated cation exchange percentage of 105%. In other words, Ag+ was present in excess in the reaction solution. Please refer to the calculations below, given that the amount of LMT needed was 4 g.
  MW AgNO3: 169.87 g/mol
  CEC LMT: 55 meqv/100 g LMT
  4 g LMT × (55 meqv/100 g LMT) × (1 mol Ag+/1000 meqv) × (1 mol AgNO3/1 mol Ag+) × (169.87 g AgNO3/1 mol AgNO3) × 105% = 0.39240 g AgNO3
  • The protocol for the ion exchange can be found in the entry on 2013/01/29. Note that 60 mL of (50:50) by volume pure H2O:EtOH was used to prevent the formation of a Laponite hydrogel.


  • Theoretical mass Laponite: 4 g
    • Actual mass Laponite: 4.00178 g
  • Theoretical mass AgNO3: 0.39240 g
    • Actual mass AgNO3: 0.39190 g

PLA2002D Films

  • 100AgLMT made on 2013/02/05 was used in the film of PLA2002D + 33wt% AgLMT.
  • Please refer to the protocol on 2013/02/06 and calculations on 2013/03/27.


PLA2002D + 33wt% LMT

  • Theoretical mass PLA2002D: 3 g
    • Actual mass PLA2002D: 3.03048 g
  • Theoretical mass LMT: 1.02206 g
    • Actual mass LMT:

PLA2002D + 33wt% 100AgLMT

  • Theoretical mass PLA2002D: 3 g
    • Actual mass PLA2002D: 3.01800 g
  • Theoretical mass 100AgLMT: 1.02206 g
    • Actual mass 100AgLMT:



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