FT-IR Spectroscopy Attenuated Total Reflectance ATR

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FT-IR Spectroscopy Attenuated Total Reflectance ATR Heike Hofstetter Spring 2007

Transcript of FT-IR Spectroscopy Attenuated Total Reflectance ATR

Page 1: FT-IR Spectroscopy Attenuated Total Reflectance ATR

FT-IR Spectroscopy

Attenuated Total Reflectance ATR

Heike Hofstetter Spring 2007

Page 2: FT-IR Spectroscopy Attenuated Total Reflectance ATR

FT-IR

TwistingWaggingRockingScissoringAsymmetricalstretching

Symmetricalstretching

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Principle of ATR

ATR crystal

infrared beam

to detector

sample in contact with evanescent wave

1 μm

evanescent wave

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ATR spectra

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FT-IR/ATRKBr plate

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Sample preparation - transmission

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ATR accesories

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ATR accesories

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Analyzing solids

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Analyzing polymers

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Ziplock bag Sandwich bag

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Analyzing polymers

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Analyzing liquids

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Analyzing liquids

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PepsiIce tea50% glucose

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Biological samples

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Surfactant Adsorption on Cellulose Acetate

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Biofilm Formation and Biocide Application


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