Spectroscopy is pleased to offer this series of educational webcasts as part of the Society of Applied Spectroscopy’s ongoing extension of its certification and training program. These webcasts are intended to provide a simple introduction and grounding in different types of spectroscopy for people that use or are thinking to use spectroscopy in their work or studies. The SAS webcasts can also serve as a refresher for those people that need reminding of important concepts or tricks and tips in various types of spectroscopy. This event also previews a short course that will be taught by Jim de Haseth at Pittcon 2020.
The vibrational spectrometries—mid-infrared (mid-IR), near infrared (NIR) and Raman—are powerful analysis technologies, but often it is unclear exactly which vibrational spectrometry should be used for a given analysis. This brief webcast will provide an introduction to the origin of bands in the three spectrometries. Active bands differ from spectrometry to spectrometry, but some bands may be present in more than one of the technologies. Sensitivity differs from technique to technique and this can be very important for the selection of the appropriate spectrometry. These differences lead to different information content for the three techniques and it is incumbent upon the user to select the spectrometry best suited to a given task, or at least, to have enough information to confirm a result. This webcast will not cover instrumentation, but rather will be directed to the advantages and shortcomings of mid-infrared, Raman, and near infrared spectrometries.
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