User:Madeleine Y. Bee/Notebook/CHEM-582 Experimental Chemistry II/2015/02/27: Difference between revisions
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# 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 g (4%) calcium chloride''' to 210 mL of water | ## Add '''8.4 g (4%) calcium chloride''' to 210 mL of water | ||
## Heat solution to 40°C | ## Heat solution to 40°C while stirring for 30 min | ||
# 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 | ||
# Stir for | ## Allow solution to cool to room temp while stirring for another 20 min | ||
#Leave beads in solution, not stirring, overnight | |||
# Stir in 10% citric acid solution for 30 min | |||
# Stir in 0.5 M sodium sulfate solution for 30 min | |||
# Rinse with water to remove excess reactants | # Rinse with water to remove excess reactants | ||
# Allow beads to dry in teflon plate overnight | |||
====Measurements==== | ====Measurements==== |
Revision as of 08:39, 25 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 27, 2015
ProcedureProcedure adapted from | Kuo-Ying Amanda Wu and Keith D. Wisecarver (1992)<br.> <br.> PVA-Alg-NaMT (no citric acid)
MeasurementsNotes |