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FT-IR Spectroscopy

Aug 01, 2016
Special Issues
The value of combining ATR and transmission spectra for the analysis of polymer laminates is illustrated here through the analysis of a multilayer polymer laminate from a food packaging sample.
Aug 01, 2016
Special Issues
This study explores the use of FT-IR spectroscopy and PLS regression for the authentication of essential oils—wintergreen oil, tea tree oil, rosemary oil, and lemon eucalyptus oil—adulterated with either lemongrass oil or peppermint oil.
Aug 01, 2016
Special Issues
A simple and rapid authentication method is presented for herbal medicine samples using commercially available mid-infrared and near-infrared benchtop spectrometers as well as using a handheld NIR device.
Jul 01, 2016
Spectroscopy
We explain the theory behind the three different types of IR bands, how to recognize them, and how to use them to help you interpret spectra.
May 01, 2016
Spectroscopy
There are three ways of arranging two substituents around a benzene ring, meaning that each disubstituted ring has three structural isomers. Fortunately, infrared spectroscopy can distinguish such structural isomers. Here, we explain how.
Mar 22, 2016
By Spectroscopy Editors
Matthew Baker, a senior lecturer in chemistry at the University of Strathclyde, in Glasgow, has won the inaugural Emerging Leader in Molecular Spectroscopy Award, which is sponsored by Spectroscopy magazine. This new annual award recognizes the achievements and aspirations of a talented young molecular spectroscopist, selected by an independent scientific committee. The award will be presented to Baker at the SciX 2016 conference in September, where he will give a plenary lecture and be honored in an award symposium.
Mar 01, 2016
Spectroscopy
This installment looks at the nature of aromatic bonding and why aromatic rings have unique structures, bonding, and infrared spectra.
Jan 01, 2016
Spectroscopy
A 12-step program to help you be more successful at interpreting IR spectra
Sep 11, 2015
By Spectroscopy Editors
Although near-infrared (NIR) spectroscopy is not a particularly sensitive technique, it can be implemented with little or no sample preparation and thus is well suited to applications such as process monitoring, materials science, and medical uses. We asked a panel of experts to comment on important current applications of NIR, as well as emerging new areas of application and the challenges involved in those newer applications.
Sep 01, 2015
Spectroscopy
When comparing spectra to ensure product quality and safety, one must determine if two spectra are the same. In part one, we show you how. In part two, we conclude our discussion of the spectra of straight-chain alkanes by answering the following question: Can infrared spectra be used to determine alkane chain length?
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