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Concentrations of Fe, Cu and Zn in rum by EDXRF using APDC preconcentration

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Abstract

Ten rum (“aguardente”) samples commercialized in Piracicaba region, São Paulo State, Brazil Southeast, were analysed by energy-dispersive X-ray fluorescence (EDXRF) using ammonium pyrrolidinedithiocarbamate (APDC) preconcentration in order to determine Fe, Cu and Zn concentrations. The effect of sucrose (2%) was also studied in this methodology, using a multielemental standard solution (40% ethanol). Copper concentrations in two samples were higher than the value allowed by Brazilian law. Limits of detection for these elements were in the ng.ml-1 range.

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Authors and Affiliations

  1. Nuclear Instrumentation Laboratory, Center for Nuclear Energy in Agriculture, University of São Paulo, CP 96, 13400-970, Piracicaba, SP, Brazil

    E. Almeida, V. F. Nascimento Filho, E. P. E. Valencia & R. M. Cunha e Silva

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  1. E. Almeida
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  2. V. F. Nascimento Filho
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  3. E. P. E. Valencia
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  4. R. M. Cunha e Silva
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Almeida, E., Nascimento Filho, V.F., Valencia, E.P.E. et al. Concentrations of Fe, Cu and Zn in rum by EDXRF using APDC preconcentration. Journal of Radioanalytical and Nuclear Chemistry 252, 541–544 (2002). https://doi.org/10.1023/A:1015858905402

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