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FT-IR Microscopy For Forensic Fiber Analysis: The Results Of Case Studies

FT-IR microscopy is currently being evaluated as a routine technique for forensic fiber examination. All fibers matched by routine examination were also shown to match by IR data, however, further chemical characterization of the polymer was possible, thus increasing the evidential value of the fiber match. Several contaminants were identified and the utility of a fiber spectral library was tested.