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In our September Issue:
COLUMNS
Molecular Spectroscopy Workbench
Advances in Infrared Microspectroscopy and Mapping Molecular Chemical Composition at Submicrometer Spatial Resolution
John A. Reffner
Infrared microspectroscopy has led to important advances in a wide range of fields, as biologists, chemists, geologists, materials scientists, microscopists, and spectroscopists around the world have awakened to the values of nanotechnology. The small world is getting larger.
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Focus on Quality
A Flexible Analytical Data Life Cycle?
R.D. McDowall
Does a one size fits all data life cycle meet laboratory requirements for data integrity? No! The reason is that there are many different types of analytical procedures and this requires a flexible analytical data life cycle.
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IR Spectral Interpretation Workshop
The C=O Bond, Part VII: Aromatic Esters, Organic Carbonates, and More of the Rule of Three
Brian C. Smith
Aromatic esters follow the ester Rule of Three, but each of these three peak positions is different for saturated and aromatic esters, which makes them easy to distinguish. Organic carbonates are structurally similar to esters and follow their own Rule of Three.
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Articles
Identification of Graphite Mechanical Behavior and Dislocations by Micro-Raman Microscopy
Ram Krishna and Paul M. Mummery
In this study, micro-Raman microscopy was used to examine graphite mechanical behavior through the evolution of dislocation defect density and the resultant deformation (strain) in graphite components. The increasing strength of the Raman optical phonon modes linked with a generous number of dislocations indicates the potential capability of Raman spectroscopy to help develop a mechanistic understanding of the complex mechanical behavior of graphite for use in many industries and applications.
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Infrared Spectroscopy: New Frontiers Both Near and Far
Negar Atefi, Tanvi Vakil, Zahra Abyat, Sarvesh K. Ramlochun, Gorkem Bakir, Ian M.C. Dixon, Benedict C. Albensi, Tanya E.S. Dahms, and Kathleen M. Gough
This article illustrates experience with some new developments in IR spectroscopy, with examples of how this traditional field continues to explode into new territory, enabling rapid acquisition of huge data sets on the one hand, while permitting exploration of chemical composition of targets with nanometer-scale spatial resolution on the other.
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THE APPLICATION NOTEBOOK
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Applications of ICP & ICP-MS Techniques for Today's Spectroscopist
Meeting the USP <232> and <233> Guidelines with ICP-OES
Aaron Hineman and Ken Neubauer
With its advantages–compared to ICP-MS–in matrix tolerance, robustness, simplicity, and cost, ICP-OES may be the technique of choice for the analysis of medications with low daily doses. For such analyses, the use of high-pressure, high-temperature microwave digestion in sealed containers simplifies sample preparation and prevents the loss of volatile elements.
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ICP-MS Analysis of Noble Metals at Low Levels in Geological Reference Materials and Ores
Daniel Kutscher, Alexey Leykin, Simon Nelms, and Shona McSheehy Ducos
This study reveals the potential of triple-quadrupole ICP-MS for reliable quantification of noble metals at ultratrace levels even in difficult matrices.The effective use of reactive gases for interference removal and a thorough and effective protocol for sample preparation and handling are essential.
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Using Double Mass Selection and Reaction Cell Gases to Resolve Isobaric Spectral Overlaps in ICP-MS
Ed McCurdy and Glen Woods
When using a triple-quadrupole ICP-MS system, the increased abundance sensitivity of MS/MS mode makes it possible to measure trace elements using isotopes that would otherwise be affected by peak tailing from an adjacent major element. This approach is illustrated using the example of ultratrace 237Np analysis in the presence of 10 ppm U.
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Thursday, September, 27, 2018 at 11 am EDT | 8 am PDT | 1600 BST | 1700 CEST
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| ON DEMAND WEBCASTS |
Determining Provenance of Insects with Isotope Analysis for Biosecurity Purposes: Real World Forensic Applications
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How MS/MS Can Improve Your ICP-MS Data Quality, Whatever Your Application
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Improving the Elemental Analysis of Polymers and Plastics Using XRF
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Illuminating LA-ICP-MS: Direct Solid Analysis and Exciting New Opportunities
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Exploring Four Capabilities that are Defining the Future of ICP-MS
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Any Sample, Any Time: The Benefits of Single Reaction Chamber Microwave Digestion for Trace Element Analysis
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If you would like to submit an article to Spectroscopy, contact Laura Bush, Editorial Director - [email protected]
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