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Least-squares Curve-fitting of Fourier Transform Infrared Spectra with Applications to Polymer Systems

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Abstract:

A method is presented for least-squares curve-fitting of Fourier transform infrared spectra. A demonstration of the determination of xylene solution compositions illustrates the accuracy of the method. Least-squares coefficients are shown to be valuable for the analysis of several polymer systems by digital subtraction of spectra.

Keywords: Curve-fitting; FT-ir spectroscopy; Polymers; Solution composition; Techniques, spectroscopic

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370277774464156

Affiliations: Department of Macromolecular Science, Case Western Reserve University, Cleveland, Ohio 44106

Publication date: November 1, 1977

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