User:Karlena L. Brown/Notebook/PVOH Research/2012/10/31

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==OBJECTIVES==
==OBJECTIVES==
 +
* Frepare PVOH film with 5-hydroxymethylfurfural
 +
* Run FTIR analysis on all films prepared throughout the semester
 +
* Run ion diffusion experiment on PVOH film and analyze data using Ion Selective Electrode
 +
==Films Examined using FTIR==
==Films Examined using FTIR==
'''RECALL FTIR PROCEDURAL PROTOCOL 9/17/12'''
'''RECALL FTIR PROCEDURAL PROTOCOL 9/17/12'''

Revision as of 05:08, 24 November 2012

PVOH Research Main project page
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OBJECTIVES

  • Frepare PVOH film with 5-hydroxymethylfurfural
  • Run FTIR analysis on all films prepared throughout the semester
  • Run ion diffusion experiment on PVOH film and analyze data using Ion Selective Electrode

Films Examined using FTIR

RECALL FTIR PROCEDURAL PROTOCOL 9/17/12

Ion Selective Electrode Film Procedures

ISE Film Analysis: Varied Ion Solution

A crosslinked PVOH 22K film containing 1mL glutaldehyde that had been exchanged for 10 min in the CuSO4 solution was used for an Ion Selective Electrode Analysis.

Time Recordings Initial Volume(mL) Final Volume (mL) Conductivity (μS/cm)
8:50A3030864
9:00A3030869
9:30A3030874
10:00A3030865
10:30A3030863
11:00A3029.5861
11:30A29.530858
12:00P3030853
3:15P3029.8840
9:00P29.828819

ISE Film Analysis: HPLC Grade H2O Solution

A crosslinked PVOH 22K film containing 1mL glutaldehyde that had been exchanged for 10 min in the CuSO4 solution was used for an Ion Selective Electrode Analysis.

Time Recordings Initial Volume(mL) Final Volume (mL) Conductivity (μS/cm)
8:50A282819.93
9:00A282923.13
9:30A292924.60
10:00A2928.527.20
10:30A28.52930.5
11:00A292933
11:30A292935.7
12:00P292938.9
3:15P2928.652.7
9:00P28.627.276.2

Notes

  • Experimental readings regarding the Ion Selective Electrode Analysis were taken every 30 minutes; however, for the first reading and recording only a 10 min interval surpassed before a reading was taken.
  • The final two readings germane to the Ion Selective Electrode Analysis for the PVOH 22K film containing 1mL glutaldehyde that was exchanged for 10 min with CuSO4 were taken by Dr. Fox.
  • A small leak was detected in the film used after several hours had passed (9:00P).


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