detecting aluminum in drinking water erica sandoval
DESCRIPTION
Aluminum’s Toxicity Alzheimer's Nervous system Respiratory problems Skeletal problems Toxic to fish Forest declineTRANSCRIPT
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Detecting Aluminum in Drinking Water
Erica Sandoval
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Why Is There Aluminum in Drinking Water
• Treatment−Microorganisms−Organic Matter
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Aluminum’s Toxicity
• Alzheimer's• Nervous system• Respiratory problems• Skeletal problems • Toxic to fish• Forest decline
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Hypothesis & Goal
• Low levels of Aluminum in drinking water can be detected using a Photometric Technique and GC-MS.
1. Research previous work2. Use fluorescence technique
3. Use GC-MS4. Apply to different sources
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Fluorescence
JABLONSKI DIAGRAM
Ground state
Excited electronicsinglet state
Singlet excitedstate
Excitation
Excited-State Lifetime(10-9-10-8 s)
FluorescenceEmission
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Fluorimetric Determination of Aluminum
• Form complex•Eliminate Interferences•Create micellar system•Measure Fluorescence
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Gas Chromatography-mass Spectroscopy
• Form complex
•GC used for separation
•MS used for identification of components
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Thanks
Welch Foundation for providing me with the opportunity to work on
this project
Dr. Altmiller for guidance and support
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Conclusion & Questions
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Gas Chromatography
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Mass Spectroscopy
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Spectrofluorimeter