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Instrumental neutron activation analysis for assessing homogeneity of a whole rice candidate reference material

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Abstract

A whole rice reference material was prepared for use in quality control of trace elements in rice and in similar matrices. This study aimed at evaluating the homogeneity of the material. As, Br, Co, Cs, Fe, K, Na, Rb and Zn were determined in the samples by instrumental neutron activation analysis. The material is homogeneous for the elements determined (p < 0.05), except for Co and Fe, which presented dispersion of results much higher than the predicted degree of repeatability.

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Acknowledgments

The authors wish to thank the Ministry of Agriculture, Livestock and Food Supply (MAPA) and the National Council for Scientific and Technological Development (CNPq) for the financial support (Grant Number 578765/2008-0), and the Nuclear and Energy Research Institute (IPEN) for the irradiation of samples in the IEA-R1 nuclear research reactor.

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Authors and Affiliations

  1. Laboratório de Radioisótopos, Centro de Energia Nuclear na Agricultura (CENA), Universidade de São Paulo (USP), Av. Centenário 303, Piracicaba, SP, 13416-000, Brazil

    Lilian Seiko Kato, Elisabete A. De Nadai Fernandes, Márcio Arruda Bacchi, Camila Elias, Silvana R. Vicino Sarriés & Paula Sancinetti Modolo

  2. Departamento de Ciências Exatas, Escola Superior de Agricultura “Luiz de Queiroz” (ESALQ), Universidade de São Paulo (USP), Av. Pádua Dias 11, Piracicaba, SP, 13418-000, Brazil

    Gabriel Adrián Sarriés

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  1. Lilian Seiko Kato
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  2. Elisabete A. De Nadai Fernandes
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  3. Márcio Arruda Bacchi
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  4. Camila Elias
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  5. Silvana R. Vicino Sarriés
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  6. Gabriel Adrián Sarriés
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  7. Paula Sancinetti Modolo
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Correspondence to Lilian Seiko Kato.

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Kato, L.S., De Nadai Fernandes, E.A., Bacchi, M.A. et al. Instrumental neutron activation analysis for assessing homogeneity of a whole rice candidate reference material. J Radioanal Nucl Chem 297, 271–275 (2013). https://doi.org/10.1007/s10967-012-2391-9

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  • DOI: https://doi.org/10.1007/s10967-012-2391-9

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