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Plastic Material Identification with Raman Spectroscopy

Mark DeMeuse – Aug 5, 2019

Polymer Identification with Raman SpectroscopyRaman spectroscopy is a polymer characterization technique that detects vibrations that modify the polarizability of a polymer molecule.

As such, it is a non-destructive tool and is suitable for the examination of both polymers and their additives. In general, Raman spectra can be utilized for identification purposes by producing a collection of fingerprint spectra. Those spectra can yield information about the identity and molecular characteristics of the polymer that is being studied.

Until recently, however, Raman spectroscopy has been primarily applied to the characterization of polymers in applications that are largely of a research nature. With the development of modern instrumentation, it has become more feasible to obtain Raman spectra rapidly. In addition, the equipment to generate Raman data is more affordable and easier to use than in the past.

So, let's take a look at which polymer related processes can be followed for analytical purposes in industrial applications using Raman spectroscopy as a characterization tool. Before that, let's understand briefly about Raman Spectroscopy and the equipment developments that allow for the easier utilization of the technique.

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