User:Moira M. Esson/Notebook/CHEM-581/2012/11/16: Difference between revisions
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Titrations for sodium bicarbonate solution: | Titrations for sodium bicarbonate solution: | ||
{| {{table}} | |||
| align="center" style="background:#f0f0f0;"|'''Trial number''' | |||
| align="center" style="background:#f0f0f0;"|'''Initial Volume (mL)''' | |||
| align="center" style="background:#f0f0f0;"|'''Final volume (mL)''' | |||
| align="center" style="background:#f0f0f0;"|'''Total volume used(mL)''' | |||
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| 1||2.3||10.2||7.9 | |||
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| 2||10.2||19.2||9 | |||
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| 3||19.2||29||9.8 | |||
|} | |||
==Acetylation== | |||
Titration information for acetylation: | |||
*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. | |||
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{| {{table}} | {| {{table}} | ||
| align="center" style="background:#f0f0f0;"|'''Trail Number''' | | align="center" style="background:#f0f0f0;"|'''Trail Number''' | ||
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| 3||0.1||42.8||42.7 | | 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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