User:Madeleine Y. Bee/Notebook/CHEM-582 Experimental Chemistry II/2015/02/13: Difference between revisions
From OpenWetWare
No edit summary |
No edit summary |
||
Line 15: | Line 15: | ||
Upscaled PVA-Alg-NaMT<br.> | Upscaled PVA-Alg-NaMT<br.> | ||
# Prepare an aqueous solution of 13% PVA and 0.02% sodium alginate at 60°C (Stir plate on 3rd setting: ~68°C) | # Prepare an aqueous solution of 13% PVA and 0.02% sodium alginate at 60°C (Stir plate on 3rd setting: ~68°C) | ||
#* ''' | #* '''4 g of PVA''' and '''0.64 g of sodium alginate''' in '''7 mL of water''' (12.5% PVA and ~0.02% alginate) | ||
##* Add alginate '''while stirring''' PVA-water solution | ##* Add alginate '''while stirring''' PVA-water solution | ||
#* '''~0. | #* '''~0.4 g NaMT''' should be added to this mixture where applicable | ||
# Cool dissolved and mixed solution to 35°C | # Cool dissolved and mixed solution to 35°C | ||
# Prepare | # Prepare 840 mL of saturated citric acid with 4% calcium chloride | ||
## Add ''' | ## Add '''33.6 g (4%) calcium chloride''' to 210 mL of water | ||
## Add citric acid to saturation (''' | ## Add citric acid to saturation ('''48 g citric acid''') | ||
##* 14.7g/100mL > 30.87 g/210 for solubility comparable to boric acid | ##* 14.7g/100mL > 30.87 g/210 for solubility comparable to boric acid | ||
# Add the PVA-Alg-Nanocomposite mixture drop-wise (by syringe) to the gently stirring (stir plate 3) citric acid-calcium chloride solution using a Pasteur pipette | # Add the PVA-Alg-Nanocomposite mixture drop-wise (by syringe) to the gently stirring (stir plate 3) citric acid-calcium chloride solution using a Pasteur pipette | ||
Line 34: | Line 34: | ||
# Cool dissolved and mixed solution to 35°C | # Cool dissolved and mixed solution to 35°C | ||
# Prepare 210 mL of saturated citric acid with 4% calcium chloride | # Prepare 210 mL of saturated citric acid with 4% calcium chloride | ||
## Add '''8.4 | ## Add '''8.4 g (4%) calcium chloride''' to 210 mL of water | ||
## Add citric acid to saturation ('''12-15 g citric acid''') | ## Add citric acid to saturation ('''12-15 g citric acid''') | ||
##* 14.7g/100mL > 30.87 g/210 for solubility comparable to boric acid | ##* 14.7g/100mL > 30.87 g/210 for solubility comparable to boric acid | ||
Line 43: | Line 43: | ||
====Measurements==== | ====Measurements==== | ||
*PVA-Alg-NaMT | *PVA-Alg-NaMT | ||
**PVA: | **PVA: 4.01 g | ||
**Alg: | **Alg: 0.65 g | ||
**NaMT: | **NaMT: 0.4 g | ||
**Citric acid: | **Citric acid: 48.03 g | ||
** | **CaCl<sub>2</sub>: 33.6 g | ||
*PVA-Alg-NaMT&AC | *PVA-Alg-NaMT&AC | ||
**PVA: | **PVA: 1.01 g | ||
**Alg: | **Alg: 0.16 g | ||
**NaMT: | **NaMT: 0.1 g | ||
**AC: | **AC: 0.05 g | ||
**Citric acid: | **Citric acid: 12.69 g | ||
** | **CaCl<sub>2</sub>: 8.34 g | ||
====Notes==== | ====Notes==== | ||
*Run normal-scale PVA-Alg-NaMT with no citric acid | |||
*Solvent washing and FTIR | |||
<!-- ##### DO NOT edit below this line unless you know what you are doing. ##### --> | <!-- ##### DO NOT edit below this line unless you know what you are doing. ##### --> |
Revision as of 11:33, 13 February 2015
PVA-Alg Bead Synthesis | <html><img src="/images/9/94/Report.png" border="0" /></html> Main project page <html><img src="/images/c/c3/Resultset_previous.png" border="0" /></html>Previous entry<html> </html>Next entry<html><img src="/images/5/5c/Resultset_next.png" border="0" /></html> |
February 13, 2015
ProcedureProcedure adapted from | Kuo-Ying Amanda Wu and Keith D. Wisecarver (1992)<br.> <br.> Upscaled PVA-Alg-NaMT<br.>
<br.> PVA-Alg-NaMT&AC
Measurements
Notes
|