Spectroscopy October 2015

October 2015 | Volume 30, Issue 10
Spectroscopy October 2015 issue
Atomic Perspectives
The importance of routine maintenance in ICP-MS cannot be overemphasized. The potential for thermal instability, corrosion, chemical attack, blockage, matrix deposits, and signal drift is much higher with ICP-MS than with other atomic spectroscopy techniques. By following the guidelines provided here, however, you can reduce the frequency of routine maintenance and ensure optimal instrument performance.
Chemometrics in Spectroscopy
Modern statistics rests on three foundational principles. Here, we explain the first of these. But instead of getting involved in the nitty gritty of the equations, we approach this topic from the top down, concentrating on the core principles that apply to all major aspects of the use and application of statistical thought.
Peer-Reviewed Article
This variable-temperature diffuse reflection infrared Fourier transform spectroscopy (VTDRIFTS) sample perturbation method is capable of providing detailed functional group–specific information regarding temperature-dependent sample composition changes. The technique is generally applicable for soil adsorbate characterization studies and, therefore, should be useful for elucidating soil transport mechanisms for selected contaminants.
App of the Month
By Spectroscopy Editors
The IR Explainer app is designed for investigating compound chemical structures using infrared spectroscopy.
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