User:Moira M. Esson/Notebook/CHEM-581/2013/02/06: Difference between revisions
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# 1,2-dichloroethane should be kept in the flammable storage safety cabinet when not in use. | # 1,2-dichloroethane should be kept in the flammable storage safety cabinet when not in use. | ||
# When in use, 1,2-dichloroethane should be kept in the fume hood. | # When in use, 1,2-dichloroethane should be kept in the fume hood. | ||
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{| {{table}} | |||
| align="center" style="background:#f0f0f0;"|'''Preparation of Microspheres using PVA MW 146,000-186,000''' | |||
| align="center" style="background:#f0f0f0;"|'''''' | |||
|- | |||
| Amount of PVA added(g)||0.9004 | |||
|- | |||
| Amount of Lamponite clay added(g)||0.1003 | |||
|- | |||
| Amount of cellulose acetate butyrate added(g)||0.6066 | |||
|- | |||
| Amount of GA added(mL)|| | |||
|- | |||
| Amount of H2SO4 added(mL)||0.25 | |||
|} | |||
Observations: | |||
*The dispersion agent(hereout referred to as CAB), lamponite clay and PVA formed a sort of suspension in the water/organic solvent solution. It did not appear to fully dissolve. Used a spatula to scrape the side of the RB flask in order to try and break up the large chunks. | |||
* | |||
Revision as of 08:48, 6 February 2013
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Objectives
PVA MicrospheresGeneral Protocol:
Observations:
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