User:Moira M. Esson/Notebook/CHEM-581/2012/10/17: Difference between revisions
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[[Image:Porphine_Absorbance.png]] | [[Image:Porphine_Absorbance.png]] | ||
* 9.445nM seems to be too dilute. It did not produce peaks. It appears that 944.5 nM porphine will produce the most useful data. | * 9.445nM seems to be too dilute. It did not produce peaks. It appears that 944.5 nM porphine will produce the most useful data | ||
==Cu<sup>2+</sup> adsorption== | |||
The general protocol for filtrates described on [[User:Moira_M._Esson/Notebook/CHEM-581/2012/09/26|2012/09/26]]. Instead of using prepared clays, however ~1g of prepared film was placed in the CuSO<sub>4</sub> solution. Filtrate was only collected in 10min intervals | |||
{| {{table}} | |||
| align="center" style="background:#f0f0f0;"|'''Type of film used''' | |||
| align="center" style="background:#f0f0f0;"|'''mass of film used(g)''' | |||
| align="center" style="background:#f0f0f0;"|'''weight of film after 10min (g)''' | |||
|- | |||
| PVOH(MW 22,000)+ 100% CEC||1.48||1.0041 | |||
|- | |||
| PVOH(MW 22,000)||0.9||0.7582 | |||
|- | |||
| PVOH(MW 22,000)+NaMT||0.9945||0.9115 | |||
|- | |||
| PVOH(MW 22,000)+ 50% CEC||1.1167||1.0464 | |||
|} | |||
==Notes== | |||
Unable to run AA. Solutions need to be reprepared next time and AA needs to be rerun. | |||
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__NOTOC__ | __NOTOC__ |
Revision as of 18:48, 23 November 2012
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Objectives
Film Preparation
Films Prepared:
Observations:
UV-Vis of PorphyrinPreparation of Porphyrin solution
Cu2+ adsorptionThe general protocol for filtrates described on 2012/09/26. Instead of using prepared clays, however ~1g of prepared film was placed in the CuSO4 solution. Filtrate was only collected in 10min intervals
NotesUnable to run AA. Solutions need to be reprepared next time and AA needs to be rerun. |