User:James C. Schwabacher/Notebook/CHEM-571/2015/03/06: Difference between revisions
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==March | ==March 6, 2015== | ||
*Repeat synthesis | *Repeat synthesis using a syringe and syringe pump | ||
===Procedure=== | ===Procedure=== | ||
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## Add '''8.4 g (4%) calcium chloride''' | ## Add '''8.4 g (4%) calcium chloride''' | ||
## Heat solution to 40°C while stirring | ## Heat solution to 40°C while stirring | ||
# Add the PVA-Alg-Nanocomposite mixture | # Add the PVA-Alg-Nanocomposite mixture to a 10 ml syringe, carefully removing all air before tightening on the syringe tip | ||
# Place the loaded syringe on the syringe pump, positioning the needle tip over the edge of the prepared citric acid/calcium chloride solution | |||
# Set the syringe pump and press "run." The PVA solution will be added drop-wise to the cross-linking reaction mixture. | |||
#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 30 min | # Stir in '''24 g''' (10%) citric acid solution for 30 min |
Revision as of 13:26, 6 March 2015
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March 6, 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
Syringe Pump Settings
Notes |