User:Melissa Novy/Notebook/CHEM-581/2012/10/03 - Revision history

Melissa Novy: /* Objectives */

Melissa Novy — Mon, 22 Oct 2012 16:22:05 GMT

Objectives

←Older revision		Revision as of 16:22, 22 October 2012
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	==Objectives==		==Objectives==
	* Crosslink Na-MT films.		* Crosslink Na-MT films.
		+	** Please refer to [[User:Moira_M._Esson/Notebook/CHEM-581/2012/10/03\|Moira Esson's entry]] for all calculations and observations.
		+	** The following films were crosslinked: PVOH (MW 22000), 0.8 wt% glutaraldehyde, 0.1 wt% 100% CEC NaMT; PVOH (MW 22000), 0.8 wt% glutaraldehyde, 0.1 wt% NaMT; PVOH (MW 22000), 0.8 wt% glutaraldehyde, PDMS.
	* Adjust the pH of CuSO<sub>4</sub> solutions made on [[User:Melissa_Novy/Notebook/CHEM-581/2012/09/28\|2012/09/28]], then take ISE measurements.		* Adjust the pH of CuSO<sub>4</sub> solutions made on [[User:Melissa_Novy/Notebook/CHEM-581/2012/09/28\|2012/09/28]], then take ISE measurements.

Melissa Novy: /* Notes */

Melissa Novy — Tue, 09 Oct 2012 04:41:07 GMT

Notes

←Older revision		Revision as of 04:41, 9 October 2012
Line 138:		Line 138:
	==Notes==		==Notes==
	* The 1 ppm Na<sup>+</sup> solution gave an ISE value that did not fit the expected calibration curve. This may be because the detection limit of the ISE measurements is above 1 ppm. It was recommended that a solution of higher Na<sup>+</sup> ppm, such as 25 ppm Na<sup>+</sup> be tested to generate a more accurate calibration curve.		* The 1 ppm Na<sup>+</sup> solution gave an ISE value that did not fit the expected calibration curve. This may be because the detection limit of the ISE measurements is above 1 ppm. It was recommended that a solution of higher Na<sup>+</sup> ppm, such as 25 ppm Na<sup>+</sup> be tested to generate a more accurate calibration curve.
		+	* The ISE values of the CuSO<sub>4</sub> solutions are meaningless as they were obtained with a sodium electrode.

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Melissa Novy: /* CuSO4 Standard, Na+ Standard, and Na-MT Filtrate Solutions */

Melissa Novy — Tue, 09 Oct 2012 04:40:16 GMT

CuSO4 Standard, Na+ Standard, and Na-MT Filtrate Solutions

←Older revision		Revision as of 04:40, 9 October 2012
Line 136:		Line 136:
	\|}		\|}

		+	==Notes==
		+	* The 1 ppm Na<sup>+</sup> solution gave an ISE value that did not fit the expected calibration curve. This may be because the detection limit of the ISE measurements is above 1 ppm. It was recommended that a solution of higher Na<sup>+</sup> ppm, such as 25 ppm Na<sup>+</sup> be tested to generate a more accurate calibration curve.

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Melissa Novy at 16:25, 5 October 2012

Melissa Novy — Fri, 05 Oct 2012 16:25:06 GMT

←Older revision		Revision as of 16:25, 5 October 2012
Line 61:		Line 61:
	\|}		\|}
	<br>		<br>
		+	[[Image:CuSO4_ISE_Standards.JPG]]
		+	<br><br>
	Na<sup>+</sup> Standard Solutions		Na<sup>+</sup> Standard Solutions
	{\| {{table}}		{\| {{table}}
Line 115:		Line 117:
	<br>		<br>
	Unmodified (Na-MT)-CuSO<sub>4</sub> Filtrate		Unmodified (Na-MT)-CuSO<sub>4</sub> Filtrate
-		+	{\| {{table}}
		+	\| align="center" style="background:#f0f0f0;"\|'''Cu<sup>+2</sup> Concentration [ppm]'''
		+	\| align="center" style="background:#f0f0f0;"\|'''Time [min]'''
		+	\| align="center" style="background:#f0f0f0;"\|'''pH'''
		+	\| align="center" style="background:#f0f0f0;"\|'''ISE [mV]'''
		+	\|-
		+	\| 7.4\|\|1\|\|8.37\|\|-128.2
		+	\|-
		+	\| 10\|\|1\|\|8.45\|\|-142.1
		+	\|-
		+	\| 7.4\|\|5\|\|8.47\|\|-112.7
		+	\|-
		+	\| 10\|\|5\|\|8.5\|\|-99.2
		+	\|-
		+	\| 7.4\|\|10\|\|8.44\|\|-138
		+	\|-
		+	\| 10\|\|10\|\|8.44\|\|-134.5
		+	\|}

Melissa Novy: /* CuSO4 Standard, Na+ Standard, and Na-MT Filtrate Solutions */

Melissa Novy — Wed, 03 Oct 2012 15:54:26 GMT

CuSO4 Standard, Na+ Standard, and Na-MT Filtrate Solutions

←Older revision		Revision as of 15:54, 3 October 2012
Line 62:		Line 62:
	<br>		<br>
	Na<sup>+</sup> Standard Solutions		Na<sup>+</sup> Standard Solutions
		+	{\| {{table}}
		+	\| align="center" style="background:#f0f0f0;"\|'''Concentration [ppm]'''
		+	\| align="center" style="background:#f0f0f0;"\|'''ISE [mV]'''
		+	\|-
		+	\| 1\|\|-147
		+	\|-
		+	\| 5\|\|-158
		+	\|-
		+	\| 10\|\|-145.5
		+	\|-
		+	\| 20\|\|-132.3
		+	\|}
	<br>		<br>
	100% CEC (Na-MT)-CuSO<sub>4</sub> Filtrate		100% CEC (Na-MT)-CuSO<sub>4</sub> Filtrate
	{\| {{table}}		{\| {{table}}
-	\| align="center" style="background:#f0f0f0;"\|'''Cu+2 Concentration [ppm]'''	+	\| align="center" style="background:#f0f0f0;"\|'''Cu<sup>+2</sup> Concentration [ppm]'''
	\| align="center" style="background:#f0f0f0;"\|'''Time [min]'''		\| align="center" style="background:#f0f0f0;"\|'''Time [min]'''
	\| align="center" style="background:#f0f0f0;"\|'''pH'''		\| align="center" style="background:#f0f0f0;"\|'''pH'''
Line 84:		Line 96:
	<br>		<br>
	50% CEC (Na-MT)-CuSO<sub>4</sub> Filtrate		50% CEC (Na-MT)-CuSO<sub>4</sub> Filtrate
		+	{\| {{table}}
		+	\| align="center" style="background:#f0f0f0;"\|'''Cu<sup>+2</sup> Concentration [ppm]'''
		+	\| align="center" style="background:#f0f0f0;"\|'''Time [min]'''
		+	\| align="center" style="background:#f0f0f0;"\|'''ISE [mV]'''
		+	\|-
		+	\| 7.4\|\|1\|\|-172.7
		+	\|-
		+	\| 10\|\|1\|\|-171.4
		+	\|-
		+	\| 7.4\|\|5\|\|-174.8
		+	\|-
		+	\| 10\|\|5\|\|-174.2
		+	\|-
		+	\| 7.4\|\|10\|\|-168.9
		+	\|-
		+	\| 10\|\|10\|\|-172.8
		+	\|}
	<br>		<br>
	Unmodified (Na-MT)-CuSO<sub>4</sub> Filtrate		Unmodified (Na-MT)-CuSO<sub>4</sub> Filtrate

Melissa Novy at 14:44, 3 October 2012

Melissa Novy — Wed, 03 Oct 2012 14:44:20 GMT

←Older revision		Revision as of 14:44, 3 October 2012
Line 18:		Line 18:
	* Adjust the pH of CuSO<sub>4</sub> solutions made on [[User:Melissa_Novy/Notebook/CHEM-581/2012/09/28\|2012/09/28]], then take ISE measurements.		* Adjust the pH of CuSO<sub>4</sub> solutions made on [[User:Melissa_Novy/Notebook/CHEM-581/2012/09/28\|2012/09/28]], then take ISE measurements.

-	==CuSO<sub>4</sub> Standard and Filtrate Solutions==	+	==CuSO<sub>4</sub> Standard, Na<sup>+</sup> Standard, and Na-MT Filtrate Solutions==
	* Please refer to the ISE protocol on [[User:Melissa_Novy/Notebook/CHEM-581/2012/09/28\|2012/09/28]] for how ISE measurements were taken.		* Please refer to the ISE protocol on [[User:Melissa_Novy/Notebook/CHEM-581/2012/09/28\|2012/09/28]] for how ISE measurements were taken.
	** 3 mL of the solutions were added to 0.1 mL of ionic strength adjuster (4 M solution containing NaOH) to adjust the pH to a value between 8 and 10.		** 3 mL of the solutions were added to 0.1 mL of ionic strength adjuster (4 M solution containing NaOH) to adjust the pH to a value between 8 and 10.
	** The solutions were allowed to equilibrate with the electrode for 2 min.		** The solutions were allowed to equilibrate with the electrode for 2 min.
		+	* Dilutions of 5 mL each of 1, 5, 10, 15, and 20 ppm Na<sup>+</sup> in pure H<sub>2</sub>O were made from a 1000 ppm Na<sup>+</sup> solution, then ISE measurements were taken.
		+	* Calculations
		+	'''5 mL 20 ppm Na<sup>+</sup> requires:'''
		+	'''(1000 ppm Na<sup>+</sup>)V<sub>1</sub>=(20 ppm Na<sup>+</sup>)(5 mL)'''
		+	'''V<sub>1</sub>=100 μL'''
		+	<br>
		+	'''5 mL 10 ppm Na<sup>+</sup> requires:'''
		+	'''(1000 ppm Na<sup>+</sup>)V<sub>1</sub>=(10 ppm Na<sup>+</sup>)(5 mL)'''
		+	'''V<sub>1</sub>=50 μL'''
		+	<br>
		+	'''5 mL 5 ppm Na<sup>+</sup> requires:'''
		+	'''(1000 ppm Na<sup>+</sup>)V<sub>1</sub>=(5 ppm Na<sup>+</sup>)(5 mL)'''
		+	'''V<sub>1</sub>=25 μL'''
		+	<br>
		+	'''5 mL 5 ppm Na<sup>+</sup> requires:'''
		+	'''(1000 ppm Na<sup>+</sup>)V<sub>1</sub>=(5 ppm Na<sup>+</sup>)(5 mL)'''
		+	'''V<sub>1</sub>=25 μL'''
		+	<br>
		+	'''5 mL 1 ppm Na<sup>+</sup> requires:'''
		+	'''(1000 ppm Na<sup>+</sup>)V<sub>1</sub>=(1 ppm Na<sup>+</sup>)(5 mL)'''
		+	'''V<sub>1</sub>=5 μL'''
	<br>		<br>
	CuSO<sub>4</sub> Standard Solutions		CuSO<sub>4</sub> Standard Solutions
Line 39:		Line 60:
	\| 15\|\|9.45\|\|-151.1		\| 15\|\|9.45\|\|-151.1
	\|}		\|}
		+	<br>
		+	Na<sup>+</sup> Standard Solutions
	<br>		<br>
	100% CEC (Na-MT)-CuSO<sub>4</sub> Filtrate		100% CEC (Na-MT)-CuSO<sub>4</sub> Filtrate
Line 61:		Line 84:
	<br>		<br>
	50% CEC (Na-MT)-CuSO<sub>4</sub> Filtrate		50% CEC (Na-MT)-CuSO<sub>4</sub> Filtrate
-		+	<br>
		+	Unmodified (Na-MT)-CuSO<sub>4</sub> Filtrate

Melissa Novy: /* Entry title */

Melissa Novy — Wed, 03 Oct 2012 14:16:09 GMT

Entry title

←Older revision		Revision as of 14:16, 3 October 2012
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	\|colspan="2"\|		\|colspan="2"\|
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-	==~~Entry title~~==	+	==Objectives==
-	* ~~Insert content here~~...	+	* Crosslink Na-MT films.
		+	* Adjust the pH of CuSO<sub>4</sub> solutions made on [[User:Melissa_Novy/Notebook/CHEM-581/2012/09/28\|2012/09/28]], then take ISE measurements.
		+
		+	==CuSO<sub>4</sub> Standard and Filtrate Solutions==
		+	* Please refer to the ISE protocol on [[User:Melissa_Novy/Notebook/CHEM-581/2012/09/28\|2012/09/28]] for how ISE measurements were taken.
		+	** 3 mL of the solutions were added to 0.1 mL of ionic strength adjuster (4 M solution containing NaOH) to adjust the pH to a value between 8 and 10.
		+	** The solutions were allowed to equilibrate with the electrode for 2 min.
		+	<br>
		+	CuSO<sub>4</sub> Standard Solutions
		+	{\| {{table}}
		+	\| align="center" style="background:#f0f0f0;"\|'''Concentration [ppm]'''
		+	\| align="center" style="background:#f0f0f0;"\|'''pH'''
		+	\| align="center" style="background:#f0f0f0;"\|'''ISE [mV]'''
		+	\|-
		+	\| 1\|\|9.52\|\|-215.5
		+	\|-
		+	\| 2\|\|9.48\|\|-207.5
		+	\|-
		+	\| 5\|\|9.47\|\|-207.9
		+	\|-
		+	\| 10\|\|9.43\|\|-211.7
		+	\|-
		+	\| 15\|\|9.45\|\|-151.1
		+	\|}
		+	<br>
		+	100% CEC (Na-MT)-CuSO<sub>4</sub> Filtrate
		+	{\| {{table}}
		+	\| align="center" style="background:#f0f0f0;"\|'''Cu+2 Concentration [ppm]'''
		+	\| align="center" style="background:#f0f0f0;"\|'''Time [min]'''
		+	\| align="center" style="background:#f0f0f0;"\|'''pH'''
		+	\| align="center" style="background:#f0f0f0;"\|'''ISE [mV]'''
		+	\|-
		+	\| 7.4\|\|1\|\|9.53\|\|-201.2
		+	\|-
		+	\| 10\|\|1\|\|8.47\|\|-174.1
		+	\|-
		+	\| 7.4\|\|5\|\|9.52\|\|-200.5
		+	\|-
		+	\| 10\|\|5\|\|8.45\|\|-172.5
		+	\|-
		+	\| 7.4\|\|10\|\|8.51\|\|-172.3
		+	\|-
		+	\| 10\|\|10\|\|9.53\|\|-199
		+	\|}
		+	<br>
		+	50% CEC (Na-MT)-CuSO<sub>4</sub> Filtrate
		+
		+


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Melissa Novy: Autocreate 2012/10/03 Entry for User:Melissa_Novy/Notebook/CHEM-581

Melissa Novy — Wed, 03 Oct 2012 14:01:20 GMT

Autocreate 2012/10/03 Entry for User:Melissa_Novy/Notebook/CHEM-581

New page

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|colspan="2" style="background-color: #F2F2F2;" align="right"|[[{{FULLPAGENAME}}/Entry_Base|Customize your entry pages]] [[Help:Notebook/Project_Base/Customize_entry_page|<html><img src="/images/a/aa/Help.png" border="0" /></html>]]
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==Entry title==
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