User:Moira M. Esson/Notebook/CHEM-581/2012/11/16: Difference between revisions
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*The general protocol for titrations was used. The sodium bicarbonate solution prepared[[User:Moira_M._Esson/Notebook/CHEM-581/2012/11/09|2012/11/09]] was used as the base. Three drops of bromothymol blue was added each PHP solution. | *The general protocol for titrations was used. The sodium bicarbonate solution prepared[[User:Moira_M._Esson/Notebook/CHEM-581/2012/11/09|2012/11/09]] was used as the base. Three drops of bromothymol blue was added each PHP solution. | ||
<br> | <br> | ||
{| {{table}} | |||
| align="center" style="background:#f0f0f0;"|'''Trail Number''' | |||
| align="center" style="background:#f0f0f0;"|'''Initial Volume(mL)''' | |||
| align="center" style="background:#f0f0f0;"|'''Final Volume(mL)''' | |||
| align="center" style="background:#f0f0f0;"|'''Total volume(mL)''' | |||
|- | |||
| 1||0.5||42.5||42 | |||
|- | |||
| 2||0||43.2||43.2 | |||
|- | |||
| 3||0.1||42.8||42.7 | |||
|} | |||
==Swelling for GA films== | ==Swelling for GA films== |
Revision as of 12:00, 30 November 2012
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Objectives
UV-vis porhyrin filmsGeneral protocol for UV-vis on porphyrin films:
Standardization of sodium bicarbonateNew weights of PHP used:
AcetylationTitration information for acetylation:
Swelling for GA filmsGeneral Protocol for film swelling:
Color Change of porphyrin filmsGeneral protocol for color change of porphyrin films:
Note: Two films that will be tested for color change were stored in 2wt% sulfuric acid. These films will undergo color change testing next time. The two films are:
Observations
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