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Jenna Simandl, Civil Engineering, University of Alabama Cuong Diep, Chemical Engineering, University of Cincinnati Sidney Stacy, Biomedical Engineering, University of Cincinnati NSF Grant ID No:DUE-0756921 1
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Introduction Spectroscopy and Perfluorosulfonic acid (PSA) membrane Acetone Formaldehyde Water Interference 2 http://www.chem.agilent.com/en-US/products-services/instruments- systems/molecular-spectroscopy/8453-uv-vis-diode-array- system/Pages/photodiode_array_benefits.aspx
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Goal Collect sufficient amount of data to be able to test the hypothesis that membrane additives can minimize water interference in optical sensing of acetone and formaldehyde 3
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Tasks Task 1: Training Task 2: Acetone exposure calibrations Task 3: Repeat for formaldehyde Task 4: Draw conclusions Task 5: Deliverables 4
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Timeline Task/Week12345678 Training Acetone Formaldehyde Conclusions NSF Paper Final Paper Presentation Final Poster 5
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Training Received Literature Review Membrane preparation UV/Vis Spectroscopy demo Acetone exposure testing practice 6 Worrall, A. D., Bernstein, J. A., Angelopoulos, A. P. (2013). “Portable method of measuring gaseous acetone concentrations,” Talanta, Vol. 112, No. 1, pp. 26-30.
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Progress Made 7
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Questions? 8
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