User:Mobeen Ashraf/Notebook/Chem-581/2012/10/24 - Revision history

Mobeen Ashraf: /* Description */

2012-11-08T23:37:42Z

Description

←Older revision		Revision as of 23:37, 8 November 2012
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	V1=0.01 mL. Therefore, 10 μL in 9.99 ml (999 μL) was added to make 50 mM Na2SO4 solution.		V1=0.01 mL. Therefore, 10 μL in 9.99 ml (999 μL) was added to make 50 mM Na2SO4 solution.

-	Note: The same procedure was employed when making 50μM and 50 mM solutions of FeSO4 and Al2(SO4)3.	+	Note: The same procedure was employed when making 50μM and 50 mM solutions of FeSO4 and Al2(SO4)3. 0.144 g of Fe2(SO4)3 was added in 10 ml of HPLC water to make 50 mM solution and 0.328 g of Al2(SO4)3 was added in 10 ml of HPLC graded water to make 50 mM solution.

	==Data==		==Data==

Mobeen Ashraf: /* Description */

2012-11-08T23:35:21Z

Description

←Older revision		Revision as of 23:35, 8 November 2012
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	==Description==		==Description==

-	* ~~3 PVOH films were prepared: 0~~.~~5 g MW~~ of ~~22,000~~, 1 ml ~~glutaraldehyde~~, ~~and 1~~ ml of ~~porphrine dihydrogen chloride~~.	+	*Porphyrin cross-linking was done again by placing 2 drops of H2SO4 and it was cross-linked with out Na2SO4. To do that, 2 drops of HCl, 1 ml of glutaraldeyde, ml of porphyrin was used.
-	* ~~AAS studies for all the Cu standards: NaMT~~- ~~concentration~~ of ~~1.25 g/500 ml~~, ~~for 1min~~, 5 ~~min and 10 mins standards~~, ~~50 % CEC exchange~~-~~concentration of~~ 1.~~25 g/500 ml~~, ~~for 1 min, 5 min~~ and ~~10 mins standards, 100% CEC exchange,~~ for 1 ~~min~~, ~~5 min and~~ 10 ~~mins standards, and Fe3O4-concentration of 1~~.25 g~~/500~~ ml, ~~for 1 min, 5 min and~~ 10 ~~mins standards~~.	+
		+	* UV-VIS of Porphyrin Solutions:
		+	100 micro molar, 50 micro molar, 25 micro molar, 12.5 micro molar, and 6.75 micro molar porphyrin dilutions were made for UV-VIS analysis.
		+	3.375 micro molar and 1.6875 micro molar solution of porphyrin solutions were made.
		+
		+	* 3 stock solutions of 50 micro molar sodium sulfate (Na2SO4), Iron (II) sulfate (FeSO4) and aluminium sulfate (Al2(SO4)3) were prepared.
		+
		+	50 micro molar solution for Na2SO4 was prepared in a following stoichiometric way:
		+	Molecular Weight= 142.07g/mol
		+
		+	(142.07g/mol)* ( 50 μ mol/1L)* (0.000001mol/1μ mol)* (1L/1,000 ml) * 10 ml = 0.071035 g in 10 ml of HPLC graded water.
		+
		+	We lowered the concentration down to 50 m M (milli molar) in a following way:
		+
		+	(50 mM) V1= (50 μΜ) (10 mL)
		+	V1=0.01 mL. Therefore, 10 μL in 9.99 ml (999 μL) was added to make 50 mM Na2SO4 solution.
		+
		+	Note: The same procedure was employed when making 50μM and 50 mM solutions of FeSO4 and Al2(SO4)3.

	==Data==		==Data==

Mobeen Ashraf: /* Objective */

2012-11-08T23:16:03Z

Objective

←Older revision		Revision as of 23:16, 8 November 2012
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	==Objective==		==Objective==

-	Objective 1) ~~Prepare 3 PVOH Films (plain MW 22,000, glutaraldehyde cross~~-~~linked,~~ and ~~porphyrine dihydrogen chloride~~ cross~~-linked~~.	+	Objective 1) Porphyrin Cross-Linking 9again) with 2 drops of H2SO4 and cross link with out Na2SO4.

-	Objective 2) ~~Atomic Absorption Spectroscopy for all Cu standards~~.	+	Objective 2) Perform Porphyrin dilutions
		+
		+	Objective 3) UV-Vis analysis of porphyrin dilutions.

	==Description==		==Description==

Mobeen Ashraf: Autocreate 2012/10/24 Entry for User:Mobeen_Ashraf/Notebook/Chem-581

2012-11-08T23:12:26Z

Autocreate 2012/10/24 Entry for User:Mobeen_Ashraf/Notebook/Chem-581

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|style="background-color: #EEE"|[[Image:BDLlogo_notext_lr.png|128px]]<span style="font-size:22px;"> Experimental Chemistry</span>
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==Objective==

Objective 1) Prepare 3 PVOH Films (plain MW 22,000, glutaraldehyde cross-linked, and porphyrine dihydrogen chloride cross-linked.

Objective 2) Atomic Absorption Spectroscopy for all Cu standards.

==Description==

* 3 PVOH films were prepared: 0.5 g MW of 22,000, 1 ml glutaraldehyde, and 1 ml of porphrine dihydrogen chloride.
* AAS studies for all the Cu standards: NaMT- concentration of 1.25 g/500 ml, for 1min, 5 min and 10 mins standards, 50 % CEC exchange-concentration of 1.25 g/500 ml, for 1 min, 5 min and 10 mins standards, 100% CEC exchange, for 1 min, 5 min and 10 mins standards, and Fe3O4-concentration of 1.25 g/500 ml, for 1 min, 5 min and 10 mins standards.

==Data==
* Add data and results here...

==Notes==
This area is for any observations or conclusions that you would like to note.

Use categories like tags. Change the "Course" category to the one corresponding to your course. The "Miscellaneous" tag can be used for particular experiments, as instructed by your professor. Please be sure to change or delete this tag as required so that the categories remain well organized.

[[Category:Course]]
[[Category:Miscellaneous]]


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