Concept explainers
(a)
Interpretation:
The comparison of the relative intensities of the Raman lines of the antihistamine for each of the two excitation sources should be done.
Concept introduction:
The relative intensity is related to expansion of energy. Intensity of Raman lines is directly proportional to the fourth power of the excitation frequency.
(b)
Interpretation:
The reason of intensities recorded with a typical monochromatic−photomultiplier system is being differ from the ratio calculated in part (a) should be determined.
Concept introduction:
The relative intensity is related to expansion of energy. Intensity of Raman lines is directly proportional to the fourth power of the excitation frequency. This monochromatic-photo multiplier system consists of a photomultiplier tube for light detection.
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- Nonearrow_forwardTransmitance 3. Which one of the following compounds corresponds to this IR spectrum? Point out the absorption band(s) that helped you decide. OH H3C OH H₂C CH3 H3C CH3 H3C INFRARED SPECTRUM 0.8- 0.6 0.4- 0.2 3000 2000 1000 Wavenumber (cm-1) 4. Consider this compound: H3C On the structure above, label the different types of H's as A, B, C, etc. In table form, list the labeled signals, and for each one state the number of hydrogens, their shifts, and the splitting you would observe for these hydrogens in the ¹H NMR spectrum. Label # of hydrogens splitting Shift (2)arrow_forwardNonearrow_forward
Principles of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning