Introduction
Near-infrared (NIR) spectroscopy is a valuable tool for the quantitative analysis of a wide range of chemical compounds. Combined with chemometric methods (data analysis techniques that use statistics and computer modeling to interpret complex spectral data), it offers a fast, non-destructive route to determining physical and chemical properties. NIR sampling of solids and liquids requires no sample preparation and can be performed using disposable sampling media such as glass vials.
This application note describes the use of FT-NIR spectroscopy for polyol analysis. Polyols are a class of organic compounds used as key ingredients in manufacturing polyurethane products such as foams, coatings, and adhesives. The note outlines the development of a workflow designed for routine use and the quantitative method applied.
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