Spectroscopy June 2017

June 2017 | Volume 32, Issue 6
Spectroscopy, June 1, 2017
Molecular Spectroscopy Workbench
The resonance Raman spectra of carotenoids vary with subtle changes on the functional side groups, making these spectra useful for identifying and characterizing carotenoids.
Chemometrics in Spectroscopy
Outliers are fundamentally a very fuzzy notion. Here, we try to clear up what outliers are and how they affect your data.
Spectroscopy Spotlight
By Spectroscopy Editors
Michael Wieser uses MC-ICP-MS to measure isotopic compositions at trace levels, in applications ranging from geological studies to protein research.
Lasers and Optics Interface
This review describes the most common approaches to laser ablation—LIBS and LA-ICP-MS—and provides an introduction to laser-ablation molecular isotopic spectrometry.
Market Profile Column
The use of photodiode-array (PDA) ultraviolet–visible (UV–vis) spectrophotometers is mainly adopted in industrial applications such as pharmaceutical and chemical production, coatings, or food and agriculture processing.
Peer-Reviewed Article
This method, for the evaluation of the enantiomeric purity of particular phosphonate derivatives, offers advantages in terms of cost, simplicity, and measurement speed.
Special Feature
Recent advances in sampling and instrument management address concerns and eliminate barriers formerly associated with the use of handheld Raman instruments in manufacturing.
Application Note (Advertising Content)
Recently, the compact MAGPRO’s maximum voltage was increased from 60 kV to 70 kV while maintaining the same size profile. This article highlights the advantages of 70 kV excitation of cadmium, an element of interest for Restriction of Hazardous Substances Directive (RoHS), at parts per million (ppm) levels.
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