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Determination of Fe, Cu and Zn in sugar-cane spirits commercialized in Southeastern Brazil by TXRF

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Abstract

Total reflection X-ray fluorescence (TXRF) was used to determine simultaneously the concentration of Cu, Fe and Zn in seven sugar-cane spirit samples (“aguardente”), a processed alcoholic beverage made from the fermentation and distillation of sugar-cane juice. The limits of detection ranged from 35 to 8 ng.ml-1 for V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As and Se. Excluding Fe, Cu and Zn, the concentrations were below their limits. Two samples showed Cu concentrations higher than the value allowed by Brazilian legislation (5 µg.ml-1), and concerning Fe and Zn, no sample were above the limits permitted by WHO for drinking water (2 and 3 µg.ml-1, respectively).

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Authors and Affiliations

  1. Nuclear Instrumentation Laboratory, Center for Nuclear Energy in Agriculture, University of São Paulo av. Centenário, 303 - CP 96, CEP 13400-970, Piracicaba, São Paulo, Brazil

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

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  1. R. M. Cunha e Silva
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  2. E. Almeida
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  3. E. P. E. Valencia
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  4. V. F. Nascimento Filho
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Cunha e Silva, R.M., Almeida, E., Valencia, E.P.E. et al. Determination of Fe, Cu and Zn in sugar-cane spirits commercialized in Southeastern Brazil by TXRF. Journal of Radioanalytical and Nuclear Chemistry 260, 3–7 (2004). https://doi.org/10.1023/B:JRNC.0000027053.80091.7c

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  • DOI: https://doi.org/10.1023/B:JRNC.0000027053.80091.7c

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