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Determination of inorganic constituents and polymers in metallized plastic materials

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Summary

This work presents results obtained in the analyses of metallized plastics by neutron activation analysis (NAA) and results of polymer identification by infrared spectroscopy (IR) and differential scanning calorimetry (DSC). Metallized plastics of packagings, automobile accessories, toys, house wares, cards and compact discs were selected for these analyses. Toxic elements such as As, Cd, Cr, Ni, Sb and Sn as well as Ba, Br, Ca, Co, Fe, Sc, Se, and Zn were determined and their concentrations presented great variability. IR and DSC assays indicated that polyethylene, polypropylene, poly(ethylene terephthalate), polycarbonate, acrylonitrile-butadiene-styrene terpolymer are main types of polymers used in metallized plastics.

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Authors and Affiliations

  1. Neutron Activation Analysis Laboratory, IPEN/CNEN-SP, Avenida Lineu Prestes, 2242, Cidade Universitária, CEP 05508-000, São Paulo, SP, Brazil

    E. P. Soares

  2. Neutron Activation Analysis Laboratory, IPEN/CNEN-SP, Avenida Lineu Prestes, 2242, Cidade Universitária, CEP 05508-000, São Paulo, SP, Brazil

    M. Saiki

  3. Chemical Engineering Department, Escola Politécnica, USP, Caixa Postal 61548, CEP 05424-970, São Paulo, SP, Brazil

    H. Wiebeck

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  1. E. P. Soares
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  2. M. Saiki
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  3. H. Wiebeck
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Soares, E., Saiki, M. & Wiebeck, H. Determination of inorganic constituents and polymers in metallized plastic materials. J Radioanal Nucl Chem 264, 9–13 (2005). https://doi.org/10.1007/s10967-005-0667-z

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  • DOI: https://doi.org/10.1007/s10967-005-0667-z

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