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HomeMaterials Science ForumMaterials Science Forum Vol. 802Application of Nanoparticle Tracking Analysis...

Application of Nanoparticle Tracking Analysis (NTA) in Aqueous Solutions of T_iO₂

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Abstract:

The study of nanoparticles involves a new field of research in various areas of technology, whose production and use have been recognized as multiple benefits to the society. However, the uncontrolled emission to the environment of nanoparticles is growing exponentially over the last decade. Thus, knowledge of the influence of nanoparticles and how they can modify the ecosystem is extremely importantand demand specific studies. Therefore, it is of fundamental importance to increase the knowledge of the interactions and transport of nanoparticles in soil, in particular this research will study the T_iO₂ nanoparticles (TiNPs). Aiming to improve such knowledge, this paper addressed tests on columns with soil collected in the landfill Volta Redonda located in the state of Rio de Janeiro, Brazil. Aliquots of TiO2-nanoparticle suspensions in soil were collected periodically after their preparation, and analyzed the aggregate of particles distribution and Ti concentration. Experimental results suggest that the higher stability of T_iO₂ suspensions resulted in a higher mobility of T_iO₂ through soil layers with lower retention rate.

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Periodical:

Materials Science Forum (Volume 802)

Pages:

624-629

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.802.624

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Online since:

December 2014

Authors:

Elizabeth Mendes de Oliveira*, Izabella Christynne Ribeiro Pinto Valadão, Adriana de Souza Forster Araújo, José Adilson de Castro

Keywords:

Nanoparticle, Nanosight, Soil Columns, Titanium Dioxide

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