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Determination of selenium in nickel and cobalt concentrates applying epithermal neutron activation analysis

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Abstract

Se in Ni and Co concentration in concentrates obtained from the nickel industry has to be determined for quality control requirements in their commercialization. Analysis of Se at minor and trace levels is relatively complicated and destructive procedures are frequently required. In this work the determination of Se by epithemal neutron activation analysis (ENAA) in 17 samples from Cuban nickel industry was investigated. Application of ENAA allowed nondestructive determination of Se concentration down to ppm level in spite of the presence of high Co, Fe, Ni and Cr contents in the samples. For attenuation of the thermal neutron flux a Cd filter was utilized.

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Authors and Affiliations

  1. Centro de Estudios Aplicados al Desarrollo Nuclear (CEADEN), Calle 30 No. 502, e/5ta y 7ma Ave., P.O. Box 6122, La Habana, Cuba

    G. Capote Rodríguez & G. Pérez Zayas

  2. Centro de Isótopes (CENTIS), Ave. Monumental y carretera La Rada, km 3, Guanabacoa, AP 22, La Habana, Cuba

    A. Hernández Rivero & J. Moreno Bermúdez

  3. Centro Atómico Bariloche (CAB), Ave. Ezequiel Bustillo, km. 9.5, 8400, San Carios de Bariloche, Argentina

    S. Ribeiro Guevara & M. A. Arribére

  4. Universidad Nacional de Asunción (UNA), Ciudad Universitaria de San Lorenzo, Asunción, Paraguay

    J. Molina Insfrán

Authors
  1. G. Capote Rodríguez
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  2. A. Hernández Rivero
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  3. J. Moreno Bermúdez
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  4. S. Ribeiro Guevara
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  5. M. A. Arribére
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  6. J. Molina Insfrán
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  7. G. Pérez Zayas
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Capote Rodríguez, G., Rivero, A.H., Bermúdez, J.M. et al. Determination of selenium in nickel and cobalt concentrates applying epithermal neutron activation analysis. J Radioanal Nucl Chem 223, 217–220 (1997). https://doi.org/10.1007/BF02223388

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  • DOI: https://doi.org/10.1007/BF02223388

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