Magnetic spectroscopy

SERRS Surface-enhanced RRS [214, 217] Same as SERS but using a wavelength corresponding to an absorption band Magnetic Spectroscopies Same as SERS... 

Figure 1. Pulse sequences of some typical 2D-NMR experiments. COSY = correlation SpectroscopY, DQFCOSY = Double Quantum Filtered COSY, RELAY = RELAYed Magnetization Spectroscopy, and NOESY = Nuclear Overhauser Effect SpectroscopY.

Azo-bis-isobutyronitrile average polymer chain concentration 4-aminotoluene (p-toluidine) Brunauer-Emmet-Teller cross-linking degree Cross Polarization-Magic Angle Spinning Nuclear Magnetic Spectroscopy Cyclic voltammetry N, A-dimethylformamide... 

Pulse Field Gradient Spin Echo-Nuclear Magnetic Spectroscopy Pyridyl... 

Spectroscopy requires a source of radiation, a sample, and a detector magnetic spectroscopy additionally requires an external magnetic field. The term spectroscopy implies that at least one of these four elements is variable, or tunable, in some way or other, and that one measures the amount of radiation absorbed by the sample as a function of this variable. For example, the source generates radiation with energy... 

Lotito, S., P. Blondet, A. Francois, M.V. Kienlin, C. Remy, J.P. Albrand, M. Decorps, and A.L. Benabid. 1989. Correlation between intracellular pH and lactate levels in the rat brain during cyanide induced metabolism blockade a combined 31P- H in vivo nuclear magnetic spectroscopy study. Neurosci. Lett. 97 91-96. 

Lim, S. T., Kasemsuwan, T., Jane, J. L. (1994). Characterization of phosphorus in starch by 31P nuclear magnetic spectroscopy. Cereal Chemistry, 71, 468M72. 

Initially, stereospecific analyses were done by Pitas et al. (1967) on whole milk fat and by Breckenridge and Kuksis (1968) on a molecular distillate of butter oil. They indicated that the short chain acids were selectively associated with the sn-3 position. In the butter oil distillate, over 90% of the TGs contained two long-chain and one short-chain fatty acids. This asymmetry has been confirmed by the observation of a small optical rotation of the TGs (Anderson et al. 1970), by proton magnetic spectroscopy (Bus et al. 1976), and by nuclear magnetic resonance spectroscopy (Pfeffer et al. 1977). Pfeffer et al. found 10.3 M% 4 0 (butyric) in the oil and determined that 97% of the acid was in the sn-3 position. It is worth noting that the analysis was done without alteration or fractionation of the oil. 

Lachenmeier, D. W., Frank, W., Humpfer, E., Schafer, H., Keller, S., Mortter, M., and Spraul, M. (2005). Quality control of beer using high resolution nuclear magnetic spectroscopy and multivariate analysis. Eur. Food Res. Technol. 220, 215-221. 

Hiremath, S. P., Hosmane, R. S., Applications of Nuclear Magnetic Spectroscopy to Heterocyclic Chemistry Indole and Its Derivatives, 15, 277. 

J.A. Pople, W.G. Schneider, H.J. Bernstein, High Resolution Nuclear Magnetic Spectroscopy (New York McGraw-Hill,... 

The nature of the molybdenum species within the LMP prepared by Schemes I and II is revealed by electronic and magnetic spectroscopy, which are particularly useful because the spectroscopic behavior of multiply bonded dimolybdenum cores coordinated by phosphate ions is well... 

Proton magnetic spectroscopy is discussed first. After a brief discussion of the theory behind this technique, the use of H-NMR spectroscopy to determine the structure of the hydrocarbon part of the compound is described. Next the use of l3C-NMR spectroscopy to gain information about the carbons in the compounds is presented. Finally, examples of the use of various combinations of these techniques to identify unknown organic compounds are discussed. 

TPR, Temperature-programmed reaction XPS, X-ray photoelectron spectroscopy IR, infrared spectroscopy H NMR, proton nuclear magnetic resonance spectroscopy UV-vis, ultraviolet-visible spectroscopy ESR, electron spin resonance spectroscopy TPD, temperature-programmed desorption EXAFS, extended X-ray absorption fine structure spectroscopy Raman, Raman spectroscopy C NMR, carbon-13 nuclear magnetic spectroscopy. 

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