12
Detecting Aluminum in Drinking Water Erica Sandoval

Detecting Aluminum in Drinking Water Erica Sandoval

Embed Size (px)

DESCRIPTION

Aluminum’s Toxicity Alzheimer's Nervous system Respiratory problems Skeletal problems Toxic to fish Forest decline

Citation preview

Page 1: Detecting Aluminum in Drinking Water Erica Sandoval

Detecting Aluminum in Drinking Water

Erica Sandoval

Page 2: Detecting Aluminum in Drinking Water Erica Sandoval

Why Is There Aluminum in Drinking Water

• Treatment−Microorganisms−Organic Matter

Page 3: Detecting Aluminum in Drinking Water Erica Sandoval

Aluminum’s Toxicity

• Alzheimer's• Nervous system• Respiratory problems• Skeletal problems • Toxic to fish• Forest decline

                           

Page 4: Detecting Aluminum in Drinking Water Erica Sandoval

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

Page 5: Detecting Aluminum in Drinking Water Erica Sandoval

Fluorescence

JABLONSKI DIAGRAM

Ground state

Excited electronicsinglet state

Singlet excitedstate

Excitation

Excited-State Lifetime(10-9-10-8 s)

FluorescenceEmission

Page 6: Detecting Aluminum in Drinking Water Erica Sandoval

Fluorimetric Determination of Aluminum

• Form complex•Eliminate Interferences•Create micellar system•Measure Fluorescence

Page 7: Detecting Aluminum in Drinking Water Erica Sandoval

Gas Chromatography-mass Spectroscopy

• Form complex

•GC used for separation

•MS used for identification of components

Page 8: Detecting Aluminum in Drinking Water Erica Sandoval

Thanks

Welch Foundation for providing me with the opportunity to work on

this project

Dr. Altmiller for guidance and support

Page 9: Detecting Aluminum in Drinking Water Erica Sandoval

Conclusion & Questions

Page 10: Detecting Aluminum in Drinking Water Erica Sandoval

Gas Chromatography

Page 11: Detecting Aluminum in Drinking Water Erica Sandoval

Mass Spectroscopy

Page 12: Detecting Aluminum in Drinking Water Erica Sandoval

Spectrofluorimeter