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Spectroscopy-11-01-2016

Spectroscopy

Basic Aspects of Experimental Design in Raman Microscopy

November 01, 2016

Peer-Reviewed Article

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When characterizing microscale objects using a Raman microscope, certain basic practical aspects of analytical instrument performance and experimental design should be taken into consideration.

What Exactly Are Raw Data?

November 01, 2016

Focus on Quality

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Raw data is a term that is often used in both good manufacturing practice (GMP) and good laboratory practice (GLP) laboratories but can create confusion and misunderstanding.  What exactly does it mean and what records are within the scope of the term?

Characterizing Modified Celluloses Using Raman Spectroscopy

November 01, 2016

Molecular Spectroscopy Workbench

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Raman spectra of celluloses modified for use in the pharmaceutical, food, and materials industries will be compared and analyzed, with the goal of determining spectroscopic features that can be of use in aiding in the determination of physical and chemical properties.

The Infrared Spectroscopy of Alkenes

November 01, 2016

IR Spectral Interpretation Workshop

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Now that we have completed our discussion of benzene rings and the infamous “benzene fingers,” the next topic on our hydrocarbon hit parade are carbon-carbon double and triple bonds. C=C bonds, otherwise known as alkenes, come in six different structural isomer types, while triple bonds, known as alkynes, come in two varieties. This column provides you with all the tools you need to distinguish all of these different types of molecules from each other.

Compositional Depth Profiling of Hard Disks with Glow Discharge Atomic Emission Spectrometry (GD-AES)

November 01, 2016

Application Note (Advertising Content)

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Hard disk manufacturing requires high levels of precision at nanometer scale for the production of a repeatable product with high memory density. Because hard disks are dependent upon magnetic properties to read and write to each memory unit, the disk has a layered structure comprised of magnetic and nonmagnetic materials. Over the last two decades, extensive work has been done by hard disk manufacturers to reduce grain size, which enables smaller, but consistent magnetic domain sizes and distinct boundaries. This movement toward tighter anufacturing tolerances requires advanced techniques for characterization. Compositional depth profiling with GD-AES enables precise characterization of the size of these thin layers of material.

Vol 31 No 11 Spectroscopy November 2016 Regular Issue PDF

November 01, 2016

Issue PDF

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Click the title above to open the Spectroscopy November 2016 regular issue, Vol 31 No 11, in an interactive PDF format.

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