In our January issue:
COLUMNS
Spectroscopy Spotlight
Combining Raman Imaging, Mass Spectrometry Imaging, and AFM
Imaging techniques using vibrational spectroscopy, MS, and atomic force microscopy have all been advancing and gaining momentum in recent years. Here, Thomas Bocklitz of the Friedrich-Schiller-University Jena discusses his work combining these techniques.
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Focus on Quality
Quo Vadis Regulated NIR Analytical Procedures?
Paul Smith and R.D. McDowall
The United States Food and Drug Administration has issued a draft guidance on the development and submission of near infrared (NIR) analytical procedures. Here, we explain and critique key aspects of the document.
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Molecular Spectroscopy Workbench
The Correlation Method for the Determination of Spectroscopically Active Vibrational Modes in Crystals
David Tuschel
Spectroscopists can use vibrational spectroscopy in conjunction with the correlation method to differentiate different crystalline forms of the same chemical compound. Here’s how to do it.
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PEER-REVIEWED ARTICLE
Effect of Azimuthal Angle on Infrared Diffuse Reflection Spectra of Fabrics
Stephanie A. DeJong, Brianna M. Cassidy, Zhenyu Lu, Megan R. Pearl, Jessica N. McCutcheon, Wayne O'Brien, Nicholas D. Boltin, Raymond G. Belliveau, Stephen L. Morgan, and M.L. Myrick
In forensics, IR can be useful for detecting fluids on fabric. But it is critical to understand the variability in the fabric spectra. In this study, the authors investigate the effect of the sample azimuthal angle variability on the spectra, and present an approach to minimize that effect.
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CORPORATE CAPABILITIES PROFILES
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APPLICATION NOTES: ATOMIC SPECTROSCOPY
Miniature 60 kV, 1000 µA 12 W X-ray Source
Sterling Cornaby, PhD, Moxtek
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Analysis of Coal Fly Ash
Scott Fess, Applied Rigaku Technologies, Inc.
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APPLICATION NOTES: MOLECULAR SPECTROSCOPY
Polarization in FTIR ATR
Susan Berets and Jeffrey Christenson, Harrick Scientific Products, Inc.
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The Power of Stable Isotope Ratio Analysis for a Better Understanding of CO2 in Our Environment
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CO2 Isotope Ratio Analysis on the road through Canada for environmental analysis
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Dealing with High-Matrix Environmental Samples: Part 1 Analysis of Trade Waste Effluent by ICP-MS
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Moving your Lab to the Line with a Portable ED-XRF Spectrometer
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Isotope Ratio Techniques to Protect the Quality and Authenticity of Food
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Squeaky Clean: Direct Spectroscopic Measurement For Cleaning Validation
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Rapid Speciation and Determination of Vanadium Compounds in Water Samples
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