ATOMIC ABSORPTION SPECTROSCOPY - University of Michigan

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Slide 6aThe HATR attachment consists of a samplestage in the middle of which is a dense, resilientcrystal, such as zinc selenide (ZnSe).The press assembly and controls ensure close,reproducible contact between the sample andthe ZnSe crystal.The base assembly houses the opticalcomponents of the attachment.
Slide 6HATR componentsPress AssemblySampling StageControl KnobZnSe Crystal inCenter of StageBase Assemblywith OpticalComponents
Page 1 and 2: Using the Horizontal Attenuated Tot
Page 3 and 4: Slide 1
Page 5 and 6: Slide 2IR radiation undergoesintern
Page 7 and 8: Slide 3IR radiation undergoesintern
Page 9 and 10: Slide 4HATR measures the pattern of
Page 11: Slide 5
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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