Application Note: Analysis of Copolymer Levels in Polymer Pellets by Near-Infrared Spectroscopy
3 April 2013

This application note describes the determination of copolymer levels in polyethylene (PE) and polyvinylacetate (PVA) pellets using NIRS. The determination of the composition of the polymer blends takes less than 30 seconds and requires no sample preparation. The second derivative spectra are analyzed by means of the linear least-squares regression method.

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