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

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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.

PVOH(22K) + Furfural Film

Ion Diffusion Analysis

  • Please refer to Karlena Brown's entry for the ISE conductivity protocol and observations.
    • 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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