Infrared and Raman Spectroscopy: Principles and Spectral InterpretationElsevier, 13 nov. 2017 - 286 pages Infrared and Raman Spectroscopy, Principles and Spectral Interpretation, Second Edition provides a solid introduction to vibrational spectroscopy with an emphasis on developing critical interpretation skills. This book fully integrates the use of both IR and Raman spectroscopy as spectral interpretation tools, enabling the user to utilize the strength of both techniques while also recognizing their weaknesses. This second edition more than doubles the amount of interpreted IR and Raman spectra standards and spectral unknowns. The chapter on characteristic group frequencies is expanded to include increased discussions of sulphur and phosphorus organics, aromatic and heteroaromatics as well as inorganic compounds. New topics include a discussion of crystal lattice vibrations (low frequency/THz), confocal Raman microscopy, spatial resolution in IR and Raman microscopy, as well as criteria for selecting Raman excitation wavelengths. These additions accommodate the growing use of vibrational spectroscopy for process analytical monitoring, nanomaterial investigations, and structural and identity determinations to an increasing user base in both industry and academia.
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... laser is used to irradiate the sample with monochromatic radiation. Laser sources are available for excitation in the UV, visible, and near-IR spectral region (for example 785 and 1064 nm). Thus, if visible excitation is used the Raman ...
... laser excitation frequency (nL ) is represented by the upward arrows and is much higher in energy than the molecular vibrations. The frequency of the scattered photon (downward arrows) is unchanged in Rayleigh scattering but is of ...
... laser, a is the polarizability of the molecules, and Q is the vibrational amplitude. The above expression indicates ... laser flux power density can increase the Raman intensity. Lastly, only molecular vibrations that cause a change in ...
... laser wavelength for the chemical system and particular analytical application. The four most commonly encountered laser-based excitation wavelengths used in commercially available Raman systems are 532, 638, 785, and 1064 nm. Table 2.3 ...
... lasers, sample damage Useful for fluorescence prone samples 532 Visible Inorganics, minerals, carbon materials (fibers ... laser and instrumentation costs, possible sample damage from 23 9. SELECTING THE RAMAN EXCITATION WAVELENGTH.
Table des matières
1 | |
7 | |
4 Environmental Dependence of Vibrational Spectra | 63 |
3 Instrumentation and Sampling Methods | 85 |
7 General Outline for IR and Raman Spectral Interpretation | 135 |
8 Illustrated IR and Raman Spectra Demonstrating Important Functional Groups | 153 |
IR Correlation Charts | 261 |
9 Unknown IR and Raman Spectra | 265 |
Backcover | 277 |
Autres éditions - Tout afficher
Infrared and Raman Spectroscopy: Principles and Spectral Interpretation Peter Larkin Aucun aperçu disponible - 2017 |
Infrared and Raman Spectroscopy: Principles and Spectral Interpretation Peter J. Larkin Aucun aperçu disponible - 2011 |