User:Melissa Novy/Notebook/CHEM-581/2012/10/31

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Line 18: Line 18:
* Make a film of PVOH (MW 22000) and 5-hydroxymethyl(furfural) with HCl.
* Make a film of PVOH (MW 22000) and 5-hydroxymethyl(furfural) with HCl.
* Make more concentrated porphine solutions with Al<sup>+3</sup>, Fe<sup>+3</sup>, or Na<sup>+2</sup> salts for UV-vis analysis.
* Make more concentrated porphine solutions with Al<sup>+3</sup>, Fe<sup>+3</sup>, or Na<sup>+2</sup> salts for UV-vis analysis.
 +
* Conduct ion diffusion analysis on PVOH(22K) + 1 mL GA films exchanged for 10 min with CuSO<sub>4</sub>.
 +
==Ion Diffusion Analysis==
 +
* Please refer to [[User:Karlena_L._Brown/Notebook/PVOH_Research/2012/10/31|Karlena Brown's entry]] for the ISE conductivity protocol.
 +
** Note that the varied ion solution contained 1000 ppm each of Cl<sup>-</sup>, Br<sup>-</sup>, and I<sup>-</sup>.
 +
<br>
 +
HPLC-Grade H<sub>2</sub>O Solution
 +
{| {{table}}
 +
| align="center" style="background:#f0f0f0;"|'''Time Recordings'''
 +
| align="center" style="background:#f0f0f0;"|'''Initial Volume[mL]'''
 +
| align="center" style="background:#f0f0f0;"|'''Final Volume [mL]'''
 +
| align="center" style="background:#f0f0f0;"|'''Conductivity [μS/cm]'''
 +
|-
 +
| 8:50AM||28||28||19.93
 +
|-
 +
| 9:00AM||28||29||23.13
 +
|-
 +
| 9:30AM||29||29||24.60
 +
|-
 +
| 10:00AM||29||28.5||27.20
 +
|-
 +
| 10:30AM||28.5||29||30.5
 +
|-
 +
| 11:00AM||29||29||33
 +
|-
 +
| 11:30AM||29||29||35.7
 +
|-
 +
| 12:00PM||29||29||38.9
 +
|-
 +
| 3:15PM||29||28.6||52.7
 +
|-
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| 9:00PM||28.6||27.2||76.2
 +
|}
 +
<br>
 +
Varied Ion Solution
 +
{| {{table}}
 +
| align="center" style="background:#f0f0f0;"|'''Time Recordings'''
 +
| align="center" style="background:#f0f0f0;"|'''Initial Volume(mL)'''
 +
| align="center" style="background:#f0f0f0;"|'''Final Volume (mL)'''
 +
| align="center" style="background:#f0f0f0;"|'''Conductivity (μS/cm)'''
 +
|-
 +
| 8:50AM||30||30||864
 +
|-
 +
| 9:00AM||30||30||869
 +
|-
 +
| 9:30AM||30||30||874
 +
|-
 +
| 10:00AM||30||30||865
 +
|-
 +
| 10:30AM||30||30||863
 +
|-
 +
| 11:00AM||30||29.5||861
 +
|-
 +
| 11:30AM||29.5||30||858
 +
|-
 +
| 12:00PM||30||30||853
 +
|-
 +
| 3:15PM||30||29.8||840
 +
|-
 +
| 9:00PM||29.8||28||819
 +
|}
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Revision as of 14:42, 30 November 2012

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Objectives

  • Analyze all films made since 2012/08/31 with FTIR.
  • Make a film of PVOH (MW 22000) and 5-hydroxymethyl(furfural) with HCl.
  • Make more concentrated porphine solutions with Al+3, Fe+3, or Na+2 salts for UV-vis analysis.
  • Conduct ion diffusion analysis on PVOH(22K) + 1 mL GA films exchanged for 10 min with CuSO4.

Ion Diffusion Analysis

  • Please refer to Karlena Brown's entry for the ISE conductivity protocol.
    • Note that the varied ion solution contained 1000 ppm each of Cl-, Br-, and I-.


HPLC-Grade H2O Solution

Time Recordings Initial Volume[mL] Final Volume [mL] Conductivity [μS/cm]
8:50AM282819.93
9:00AM282923.13
9:30AM292924.60
10:00AM2928.527.20
10:30AM28.52930.5
11:00AM292933
11:30AM292935.7
12:00PM292938.9
3:15PM2928.652.7
9:00PM28.627.276.2


Varied Ion Solution

Time Recordings Initial Volume(mL) Final Volume (mL) Conductivity (μS/cm)
8:50AM3030864
9:00AM3030869
9:30AM3030874
10:00AM3030865
10:30AM3030863
11:00AM3029.5861
11:30AM29.530858
12:00PM3030853
3:15PM3029.8840
9:00PM29.828819


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