Instructor: Dr. Brian C. Smith
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Course Length: 8 hours
Why take this course?
- Learn to optimize scanning parameters for the best results
- See how spectral subtraction and library searching solves the difficult problem of mixture analysis
- Discover the best troubleshooting techniques to keep your instrument healthy
Course Outline
I. The Basics of FTIR
- A. Introduction to Infrared Spectroscopy
- B. The Advantages of FT-IR
- C. The Disadvantage of FTIR: Water and CO2 Peaks
II. How an FT-IR Works
- A. Interferometers & Interferograms
- B. How a Spectrum is Produced
- C. Optimizing Spectral Quality
- D. FTIR Hardware
- Infrared Sources
- Beamsplitters
- Detectors: DTGS and MCT
- The He-Ne Laser
- E. Instrument Troubleshooting
III. Dealing with Mixtures
- A. Spectral Subtraction
- Theory
- Optimizing Subtraction Results
- Spotting Artifacts
- B. Library Searching
- Background & Theory
- The Search Process
- Properly Interpreting Search Results
- Subtract & Search Again
IV. Infrared Microscopes
- A. How an Infrared Microscope Works
- B. Preparing Samples
- C. Applications
- Forensics
- Biological Samples
- Molecular Mapping