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Title: | Development of a technique for using 99mTc as an adsorbable tracer for hydrodynamic studies of fine sediments in suspension |
Title of periodic: | Applied Radiation and Isotopes |
Authors: | Bandeira, Jefferson Vianna Sabino, Cláudia de Vilhena Schayer Aun, Pedro Edmundo Mendes, V.L. Agudo, E. Garcia |
Affiliation: | Centro de Desenvolvimento da Tecnologia Nuclear/CDTN, Belo Horizonte, MG, Brasil Centro de Desenvolvimento da Tecnologia Nuclear/CDTN, Belo Horizonte, MG, Brasil Centro de Desenvolvimento da Tecnologia Nuclear/CDTN, Belo Horizonte, MG, Brasil Centro de Desenvolvimento da Tecnologia Nuclear/CDTN, Belo Horizonte, MG, Brasil Centro de Desenvolvimento da Tecnologia Nuclear/CDTN, Belo Horizonte, MG, Brasil |
Issue Date: | 2002 |
Keywords: | Technetium 99;Tracer techniques;hydrodynamics;sediments |
Abstract: | Labelling of fine sediment with 99mTc was achieved through laboratory experiments described in a previous work . Comparative studies of the hydrodynamic behaviour of the labelled and unlabelled sediment, in order to validate the application of the labelled sediment in the field stuies, were further performed by means of sedimentation tests using the Andrease pipette technique, and are presented here. Labelling without flocculation, which promotes the same sedimentation behaviour of the labelled and the natural sediment was only achieved using small quantities of SnCl2 dissolved in proportionately small volumes of HCl (0.3 |
Access: | L |
Appears in Collections: | Artigo de periódico |
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