ATOMIC ABSORPTION SPECTROSCOPY - University of Michigan

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Slide 2aThis method is based on internal reflection<strong>of</strong> the IR radiation by the sample, ratherthan transmission through the sample.The sample is pressed against a densecrystal and the radiation from the sourcepenetrates a very small distance into thesample.
Slide 2IR radiation undergoesinternal reflection by the sample.PressSampleSolid with highRefractive IndexIR radiationFROMMonochrometerIR radiationTOTransducer
Page 1 and 2: Using the Horizontal Attenuated Tot
Page 3: Slide 1
Page 7 and 8: Slide 3IR radiation undergoesintern
Page 9 and 10: Slide 4HATR measures the pattern of
Page 11 and 12: Slide 5
Page 13 and 14: Slide 6HATR componentsPress Assembl
Page 15 and 16: Slide 7
Page 17 and 18: Slide 8CO 2 Peak~2400 cm -1
Page 19 and 20: Slide 93000-2800 cm -1Contaminant p
Page 21 and 22: Slide 10Choose “Overwrite the Pre
Page 23 and 24: Slide 11Finely grind crystalline sa
Page 25 and 26: Slide 12Sample should completely co
Page 27 and 28: Slide 13Be surethat thepress isrota
Page 29 and 30: Slide 14Select the “Scan” optio
Page 31 and 32: Slide 15Example of a Spectrum with
Page 33 and 34: Slide 16Example of a Spectrum run w
Page 35 and 36: Slide 17Example of a Spectrum run w
Page 37 and 38: Slide 18Discardsample andKimWipe in
Page 39 and 40: Slide 19IR SpectrumofAcetaniliderun
Page 41 and 42: Slide 20IRSpectrumof pureNujolsuppo
Page 43 and 44: Slide 21NUJOL Spectrum (shaded)Over
Page 45: Slide 22

ATOMIC ABSORPTION SPECTROSCOPY - University of Michigan

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