Publicação: Initial concentration profile influence on migration measurements from plastic packaging: A simulation study
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Migration of components from plastic packaging into foodstuffs or into medicines is a very important issue, concerning public health. Using experimental techniques, like gas chromatography-mass spectrometry, these essays measure total migration and specific migration of components from plastic packaging. This work presents an explanation and applications of a numerical technique tool for this measurement, allowing the comprehension of the diffusion process and the estimate of component migration in difficult or impractical measurements. As an application example, the non-uniform influence of initial concentration profile on the migration is presented, demonstrating the necessity of this profile determination for high quality considerations on involved metrology.
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Chemical contamination, Diffusion, Migration, Packaging, Simulation, Application examples, Experimental techniques, Gas chromatography-mass spectrometry, Initial concentration, Migration measurement, Numerical techniques, Gas chromatography, Planning, Sustainable development, Units of measurement, Measurements
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Inglês
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18th IMEKO World Congress 2006: Metrology for a Sustainable Development, v. 2, p. 1145-1148.
