User:Moira M. Esson/Notebook/CHEM-581/2012/10/24 - Revision history

Moira M. Esson: /* UV-vis */

Moira M. Esson — Sun, 11 Nov 2012 02:45:25 GMT

UV-vis

←Older revision		Revision as of 02:45, 11 November 2012
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	==UV-vis==		==UV-vis==
	*Stock solutions of 10mM Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>, 100mM Fe<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub> and 100mM Na<sub>2</sub>SO<sub>4</sub> were prepared by Melissa Novy using HPLC grade H<sub>2</sub>O and were combined with 944.5nM porphyrine solution		*Stock solutions of 10mM Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>, 100mM Fe<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub> and 100mM Na<sub>2</sub>SO<sub>4</sub> were prepared by Melissa Novy using HPLC grade H<sub>2</sub>O and were combined with 944.5nM porphyrine solution
-	*Following solutions were run on the UV-vis	+	*Following solutions were run on the UV-vis.
	Obtained UV-vis spectra:		Obtained UV-vis spectra:
		+	<br>
	[[Image:944.5_nM_porphine_and_sulfate_salts_spectra.JPG]]		[[Image:944.5_nM_porphine_and_sulfate_salts_spectra.JPG]]

Moira M. Esson: /* Film preparation */

Moira M. Esson — Sun, 11 Nov 2012 02:44:56 GMT

Film preparation

←Older revision		Revision as of 02:44, 11 November 2012
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	*Films with HCl added turned a dark greenish color		*Films with HCl added turned a dark greenish color
	*Films without HCl were a pinkish color(mixed. not a uniform color throughout)		*Films without HCl were a pinkish color(mixed. not a uniform color throughout)
		+	==UV-vis==
		+	*Stock solutions of 10mM Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>, 100mM Fe<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub> and 100mM Na<sub>2</sub>SO<sub>4</sub> were prepared by Melissa Novy using HPLC grade H<sub>2</sub>O and were combined with 944.5nM porphyrine solution
		+	*Following solutions were run on the UV-vis
		+	Obtained UV-vis spectra:
		+	[[Image:944.5_nM_porphine_and_sulfate_salts_spectra.JPG]]

Moira M. Esson: /* General Notes */

Moira M. Esson — Fri, 26 Oct 2012 21:38:58 GMT

General Notes

←Older revision		Revision as of 21:38, 26 October 2012
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	#Dilute Cu<sup>2+</sup> exchange with films prepared on [[User:Moira_M._Esson/Notebook/CHEM-581/2012/10/17\|2012/10/17]] to use for AA		#Dilute Cu<sup>2+</sup> exchange with films prepared on [[User:Moira_M._Esson/Notebook/CHEM-581/2012/10/17\|2012/10/17]] to use for AA
	==General Notes==		==General Notes==
-	The propyhrin film crosslinked last time lost all color. Appears as if not porphyrin remains on the film. Need to use ~~DSC~~ to confirm	+	The propyhrin film crosslinked last time lost all color. Appears as if not porphyrin remains on the film. Need to use UV-vis to confirm
		+	==Film preparation==
		+	All films followed the general protocol of glutaraldehye and porphyrine film preparation. Films containing additional HCl had two drops of HCl added to the reaction mixture and were allowed to stir until the reaction mixture was a uniform green color. HCl was added after both glutaraldehyde and porphyrine
		+	*Addition of HCl may cause the reaction mixture to coagulate. When pouring the mixture, if coagulation has occurred, move coagulated portion to the side of the Teflon dish.
		+	<br>
		+	'''Prepared Films'''
		+	#PVOH(MW 22,000) 1.0067g+1mL GA+1mL porphyrine+ 2 drops HCl
		+	#PVOH(MW 22,000) 1.02114g+0.5mL GA+ 1mL porphyrine+ 2 drops HCl
		+	#PVOH(MW 22,000) 1.0073g+1.0mL GA+ 1mL porphyrine
		+	#PVOH(MW 22,000) 1.05225g+ 1mL porphyrine
		+	'''Observations''':
		+	*Films with HCl added turned a dark greenish color
		+	*Films without HCl were a pinkish color(mixed. not a uniform color throughout)
		+
		+

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Moira M. Esson: /* Entry title */

Moira M. Esson — Fri, 26 Oct 2012 15:51:49 GMT

Entry title

←Older revision		Revision as of 15:51, 26 October 2012
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	\| colspan="2"\|		\| colspan="2"\|
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-	==~~Entry title~~==	+	==Objectives==
-	* Insert content here...	+	#Prepare porphyrin films
-		+	#Add salts to porphyrin film solution(preparation to measure UV-vis)
		+	#Dilute Cu<sup>2+</sup> exchange with films prepared on [[User:Moira_M._Esson/Notebook/CHEM-581/2012/10/17\|2012/10/17]] to use for AA
		+	==General Notes==
		+	The propyhrin film crosslinked last time lost all color. Appears as if not porphyrin remains on the film. Need to use DSC to confirm

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Moira M. Esson: Autocreate 2012/10/24 Entry for User:Moira_M._Esson/Notebook/CHEM-581

Moira M. Esson — Fri, 26 Oct 2012 15:48:20 GMT

Autocreate 2012/10/24 Entry for User:Moira_M._Esson/Notebook/CHEM-581

New page

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==Entry title==
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