User:Moira M. Esson/Notebook/CHEM-581/2012/10/05: Difference between revisions

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     *NaSO<sub>4</sub> solutions were prepared [[User:Moira_M._Esson/Notebook/CHEM-581/2012/9/21|9/21/2012]]
     *NaSO<sub>4</sub> solutions were prepared [[User:Moira_M._Esson/Notebook/CHEM-581/2012/9/21|9/21/2012]]
==Crosslinking==
==Crosslinking==
*The General Protocol for crosslinking Glutaraldehyde films described on [[User:Moira_M._Esson/Notebook/Chem-581/2012/9/14|9/14/2012]]  was used
'''Note''': Films crosslinked on [[User:Moira_M._Esson/Notebook/Chem-581/2012/10/03|10/03/2012]] still remained intact in deionized H<sub>2</sub>O despite using too little glutaraldehyde.
<br>
The General Protocol for crosslinking Glutaraldehyde films described on [[User:Moira_M._Esson/Notebook/Chem-581/2012/9/14|9/14/2012]]  was used
*Films that were crosslinked
#PVOH MW 22,000 1g with 1mL glutaraldehyde(GA)+0.104gNaMT(prepared [[User:Moira_M._Esson/Notebook/Chem-581/2012/10/03|10/03/2012]])
#PVOH MW 22,000 1g with 1mL GA+0.1022g 100%CEC clay (prepared [[User:Moira_M._Esson/Notebook/Chem-581/2012/10/03|10/03/2012]])
#PVOH MW 22,000 1g with 1mL GA+0.100g 50%CEC clay (prepared [[User:Moira_M._Esson/Notebook/Chem-581/2012/10/03|10/03/2012]])
#PVOH MW 22,000 with 1mL GA
 
'''Note''': All GA films were cut in half prior to crosslinking. Remaining uncrosslinked glutaraldehyde films remained under the fume hood
 
 
<br>
'''Crosslinking Glutaraldehyde films'''
{| {{table}}
| align="center" style="background:#f0f0f0;"|''''''
| align="center" style="background:#f0f0f0;"|'''PVOH MW 22,000+ 1mL glutaraldehyde+0.1010g 100% CEC surfactant clay'''
| align="center" style="background:#f0f0f0;"|'''PVOH MW 22,000+ 1mL glutaraldehyde+NaMT'''
| align="center" style="background:#f0f0f0;"|'''PVOH MW 22,000+ 1mL glutaraldehyde'''
| align="center" style="background:#f0f0f0;"|'''PVOH MW 22,000+ 1mL glutaraldehyde+50% CEC surfactant clay'''
|-
| Mass of film half before crosslinking(g)||0.7665||0.04691||0.4678||0.4691
|-
| Amount solution 1 added(mL)||100.0||100.0||100.0||100.0
|-
| Amount of 1% aqueous HCl added (mL)||100.0||100.0||98.0||99.5
|-
| Amount of 0.2M sodium bicarbonate solution added(mL)||100.0||100.0||100.0||100.0
|-
| Amount of Sodium Bicarbonate added to sodium bicarbonate solution(g)||1.6895||1.6844||1.6970||1.6803
|-
| Mass of film after crosslinking (g)||1.3971||0.9621||0.8521||0.9567
|}




Revision as of 17:47, 14 October 2012

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Objectives

  1. Crosslink remaining glutaraldehyde films
  2. Run atomic absorption on CuSO4 solutions prepared on 10/03/2012
  3. Prepare pH adjusted NaSO4 solutions to test pH.
   *NaSO4 solutions were prepared 9/21/2012

Crosslinking

Note: Films crosslinked on 10/03/2012 still remained intact in deionized H2O despite using too little glutaraldehyde.
The General Protocol for crosslinking Glutaraldehyde films described on 9/14/2012 was used

  • Films that were crosslinked
  1. PVOH MW 22,000 1g with 1mL glutaraldehyde(GA)+0.104gNaMT(prepared 10/03/2012)
  2. PVOH MW 22,000 1g with 1mL GA+0.1022g 100%CEC clay (prepared 10/03/2012)
  3. PVOH MW 22,000 1g with 1mL GA+0.100g 50%CEC clay (prepared 10/03/2012)
  4. PVOH MW 22,000 with 1mL GA

Note: All GA films were cut in half prior to crosslinking. Remaining uncrosslinked glutaraldehyde films remained under the fume hood



Crosslinking Glutaraldehyde films

' PVOH MW 22,000+ 1mL glutaraldehyde+0.1010g 100% CEC surfactant clay PVOH MW 22,000+ 1mL glutaraldehyde+NaMT PVOH MW 22,000+ 1mL glutaraldehyde PVOH MW 22,000+ 1mL glutaraldehyde+50% CEC surfactant clay
Mass of film half before crosslinking(g) 0.7665 0.04691 0.4678 0.4691
Amount solution 1 added(mL) 100.0 100.0 100.0 100.0
Amount of 1% aqueous HCl added (mL) 100.0 100.0 98.0 99.5
Amount of 0.2M sodium bicarbonate solution added(mL) 100.0 100.0 100.0 100.0
Amount of Sodium Bicarbonate added to sodium bicarbonate solution(g) 1.6895 1.6844 1.6970 1.6803
Mass of film after crosslinking (g) 1.3971 0.9621 0.8521 0.9567



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