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From Associated Polymer Labs, Inc.
Fourier Transform Infrared Spectroscopy (FTIR) identifies chemical bonds in a molecule by producing an infrared absorption spectrum. The FTIR generates an infrared spectral scan of samples that absorb infrared light. Metals do not absorb infrared light, but polymers that contain metals can be scanned with FTIR. FTIR is important for screening, and identifying polymer or plastic samples. See below for Analysis applications. A material's absorbance of infrared light at different frequencies produces a unique identification based upon the frequencies at which the material absorbs infrared light and the intensity of those absorptions. The resulting spectral scan is typically specific to a general class of material. Products & Services
Polymers and plastic materials are organic, synthetic or processed polymers that are supplied as raw materials or stock shapes. They typically consist of thermoplastic or thermosetting resins and can be made into many forms.
Molding compounds and resins are industrial plastics and polymers that are suitable for forming. They are available as pellets, liquids, and powders and are used in processes such as injection molding, compression molding, reaction injection molding (RIM), resin transfer molding (RTM), and blow molding.
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Topics of Interest
Fourier Transform Infrared Spectroscopy (FTIR) is a standard technique used in the identification of contaminating materials on the surface of printed circuit boards (PCBs) and around the leads of...
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Modern polymers are seldom used as pure materials, more often mixtures of different polymers are combined to give the desired physical characteristics. For example, the rigidity of polystyrene is...
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3.2 Fourier Transform Near-Infrared Raman Spectroscopy
3.2.1 Theory
Raman spectroscopy is an emission technique which involves irradiating a sample with a laser and collecting the scattered...
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3.3 Fourier Transform Infrared Spectroscopy
3.3.1 Instrumentation
Fourier transform infrared spectroscopy, a versatile and widely used analytical technique, relies on the creation of...
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8.1 Basic Principles
Many samples, on heating, release gases or vapour through desorption or decomposition. This release is accompanied by thermal effects and, obviously, mass-losses, which,...
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