User:Madeleine Y. Bee/Notebook/CHEM-582 Experimental Chemistry II/2015/03/03: Difference between revisions
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## Add '''12-15 g (5-7%) citric acid''' | ## Add '''12-15 g (5-7%) citric acid''' | ||
## Add '''8.4 g (4%) calcium chloride''' | ## Add '''8.4 g (4%) calcium chloride''' | ||
## Heat solution to 40°C while stirring | |||
# 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 | ||
#Allow solution to cool to room temp while stirring for another 20 min | #Allow solution to cool to room temp while stirring for another 20 min | ||
# Stir in '''24 g''' (10%) citric acid solution for | # Stir in '''24 g''' (10%) citric acid solution for 20 min | ||
# Stir in '''14.9 g''' (0.5 M) sodium sulfate solution for | # Stir in '''14.9 g''' (0.5 M) sodium sulfate solution for 20 min | ||
# Rinse with water to remove excess reactants | # Rinse with water to remove excess reactants | ||
# Allow beads to dry in teflon plate overnight | # Allow beads to dry in teflon plate overnight | ||
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*Alg: 0.16 g | *Alg: 0.16 g | ||
*NaMT: 0.11 g | *NaMT: 0.11 g | ||
*citric acid: | *citric acid: 11.99 g | ||
*CaCl2: | *CaCl2: 8.42 g | ||
*10% citric acid: | *10% citric acid: 24.0 g | ||
*sodium sulfate: | *sodium sulfate: 14.87 g | ||
====Notes==== | ====Notes==== | ||
*Consider shortening time that beads stir in sodium sulfate | |||
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Revision as of 16:33, 3 March 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> |
March 3, 2015
ProcedureProcedure adapted from | Kuo-Ying Amanda Wu and Keith D. Wisecarver (1992) and Hydrolysis of liquid pineapple waste by invertase immobilized in PVA–alginate matrix<br.> <br.> PVA-Alg-NaMT
Measurements
Notes
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