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Characterization of Inorganic Components in Plastic Materials

  • D. H. Nomura
  • S. F. Mateus
  • M. Saiki
  • P. Bode
Article

Abstract

Plastic products may contain high levels of trace elements, which, upon final incineration, may affect the environment. In the case of packing material, may affect food quality. In this work, instrumental neutron activation analysis was applied to the determination of As, Ba, Br, Cd, Co, Cr, Fe, Sb, Sc, Se, Ti and Zn in plastic materials originated from household and hospital wastes. Toxic elements such as Cd and Sb were found at the levels of mg·kg–1 in some food containers and also high levels of Ti were found in opaque packages. The accuracy and the precision of results were also evaluated by interlaboratory comparison.

Keywords

Physical Chemistry Inorganic Chemistry Activation Analysis Neutron Activation Neutron Activation Analysis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Akadémiai Kiadó, Budapest 2000

Authors and Affiliations

  • D. H. Nomura
    • 1
  • S. F. Mateus
    • 1
  • M. Saiki
    • 2
  • P. Bode
  1. 1.Instituto de Pesquisas Energéticas e NuclearesIPEN-CNEN/SPSão Paulo, SPBrazil
  2. 2.Instituto de Pesquisas Energéticas e NuclearesIPEN-CNEN/SPSão Paulo, SPBrazil

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