Fourier Transform Infrared Spectroscopy (FT-IR) is an effective analytical technique for quickly identifying the “chemical family” of a substance. Typically, organic and polymeric compounds (and to a lesser degree, inorganic compounds) produce a “fingerprint” IR spectrum, which can be compared to EAG’s extensive reference database and the unknown component’s chemical family or actual identity may be determined.
FT-IR measures the absorbance of infrared light by a sample and generates a spectrum based on the functional groups in the material. In addition to typical sample preparation methods (such as micro-extraction, dilution, KBr pellet and mulling techniques), EAG also utilizes various Attenuated Total Reflectance (ATR) accessories, which allows insoluble or multi-layer samples to be examined directly.
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