Infrared (IR) spectroscopy is the most widely used experimental material characterization and analysis technique. Image Credit: boonchok/Shutterstock.com An estimated 10 million organic chemicals are used in industrial production, while another 100,000 organic compounds are created yearly. Chemicals are ...
J.; Poater, A.; Gomez-Suarez, A.; Cordes, D. B.; Slawin, A. M. Z.; Nolan, S. P.; Cavallo, L. What Can NMR Spectroscopy of Selenoureas and Phosphinidenes Teach Us About the -Accepting Abilities of N- Heterocyclic Carbenes? Chem. Sci. 2015, 6, 1895-1904....
Dive into benchtop NMR: a compact, versatile tool for material analysis. Discover its workings and how it revolutionizes labs and manufacturing.
What is molecular recognition? How could IR spectroscopy, ^1HNMR, and^13CNMR be used to distinguish between the following pairs of compounds? How could IR spectroscopy be used to distinguish between (CH3)3N and CH3NHCH2CH3? How could IR spectroscopy be used to distinguish between the following...
The scientific world is full of acronyms and initialisms used to transform complex terminology into simple, easy-to-read abbreviations. Click to read more...
aThe techniques of Fourier transform infrared (FTIR) and proton nuclear magnetic resonance (1H NMR) spectroscopy were used as tools for the identification of functional groups and the confirmation of the structure of the copolymers obtained. 使用了傅立叶变换红外线(FTIR)和氢核核磁反应(1H核磁共振)分...
aInteractions between Aβ40 peptide and O4 monitored by solution-state NMR spectroscopy. Two-dimensional 1H,15N correlation spectrum obtained for Aβ40 in the presence and absence of O4. The inset shows a magnification of the spectrum with resonances of the hydrophobic core region of Aβ40 (re...
Here we use 1H MAS NMR spectroscopy for quantitative determination of external acidity, as well as the position of non-acidic hydroxy groups (silanols) and some non-framework Al species of the zeolites, using perfluorotributylamine [(n-C4F9)3N] as a probe molecule. Perfluorotributylamine is a...
It is very much interrelated to absorption spectroscopy, hence they share a similar setup. A transmission spectrum will have its highest peaks at wavelengths where absorption is weakest as more light passes through the sample. Depending on the spectral range, different light sources are used. LEDs...
For example, UV-vis absorption spectroscopy can be performed with both monochromatized beams and by scanning the position of the grating to vary which wavelength of light passes through the slit. Alternatively, a broadband excitation source can be used with a dispersive spectrometer and array ...