In our January issue:
COLUMNS
IR Spectral Interpretation Workshop
The C-O Bond, Part I: Introduction and the Infrared Spectroscopy of Alcohols
Brian C. Smith
The number and position of C-O stretches will help us identify functional groups such as alcohols and ethers, and will help us distinguish between members of the same molecular class.
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Lasers and Optics Interface
Next-Generation Mid-Infrared Chemical and Biological Sensors: Combining Quantum Cascade Lasers with Thin-Film and Hollow Waveguides
Julian Haas, Erhan Tütüncü, Andreas Wilk, Vjekoslav Kokoric, and Boris Mizaikoff
The inherent molecular specificity in the mid-infrared spectral regime allows for trace analysis in liquids, solids, and gases.
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Spectroscopy Spotlight
Measuring Wheat Flour Purity Using Quantitative NIR Chemical Imaging
An interview with Mark Boatwright, who is studying for his doctorate under David Wetzel at Kansas State University
Near-infrared (NIR) chemical imaging makes it possible to obtain spectra from individual pixels within a field of view for analysis of complex, heterogeneous mixtures such as flour.
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Technical Articles
Determination of Low Levels of Chromium in Biological Samples by ICP-MS Using Hydrogen as a Reaction Gas
Ed Connor, Andrew Ryan, and Peio Riss
Using hydrogen allowed for greater accuracy and a lower level of quantitation.
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Microwave Digestion for Elemental Impurities Analysis According to ICH and USP Guidelines
Reynhardt Klopper
In this study, recovery rates between 92% and 105%, combined with very low variations (RSD <5.5%, n = 3) were achieved for three different pharmaceutical products.
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Automated Flow Injection Coupled with ICP-MS for the Online Determination of Trace Silver in Seawater
Zuhao Zhu and Airong Zheng
An easily constructed flow injection system can be used with this robust FI-ICP-MS method for daily measurements of silver in seawater in an ordinary ICP-MS laboratory.
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Feature
The 2017 Emerging Leader in Atomic Spectroscopy Award
Megan L'Heureux
George Chan has already produced important advances in ICP-AES, LIBS, laser-ablation molecular isotopic spectrometry (LAMIS), and ambient ionization mass spectrometry.
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