User:Mary Mendoza/Notebook/CHEM 581: Experimental Chemistry I/2014/11/04: Difference between revisions
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* 1 mL of 0.8% glutaraldehyde was added to 20 mL of ethyl acetate. The mixture was stirred at maximum speed on a stirrer. | * 1 mL of 0.8% glutaraldehyde was added to 20 mL of ethyl acetate. The mixture was stirred at maximum speed on a stirrer. | ||
* The PVA-clay-HCl solution was added to the ethyl acetate mixture in a drop wise manner. | * The PVA-clay-HCl solution was added to the ethyl acetate mixture in a drop wise manner. | ||
* Depending on the conditions, microbeads should form between 2-3 minutes. As soon as the beads are visible, IMMEDIATELY ADD 25 mL of 0.2 M NaHCO<sub>3</sub>. | * Depending on the conditions, microbeads should form between 2-3 minutes. As soon as the beads are visible, IMMEDIATELY ADD 25 mL of 0.2 M NaHCO<sub>3</sub>. Stir for at least 4 minutes, 15 minutes at most. | ||
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Revision as of 17:21, 4 November 2014
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Suspension of Synthesized Beads in Malachite Green
Synthesis of PVA-clay Beads
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