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Quantitative Analysis of EthylenePropylene Copolymers by Infrared Spectrometry
Volume 20, Number 5 (Oct. 1966) Page 330-332
Key, L.C.; Trent, F.M.; Lewis, M.E.
An infrared solution method for the determination of the propylene content of ethylene-propylene copolymers is described using carbon tetrachloride as a solvent and hydrogenated polyisoprene for calibration. Precision data are presented and the results are compared to those obtained by a newly developed nmr method.