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The possibility of using beef tallow biodiesel as a viscosity reference material

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Abstract

This study analyses the possibility of using beef tallow biodiesel transesterified with ethanol, provided by Universidade Federal Fluminense, as a viscosity reference material for biodiesels. The quantity viscosity was measured with capillary viscometers, according to Brazilian standards, in a temperature range between 20 °C and 40 °C for characterisation, and at 40 °C for homogeneity, in short-term stability (90 days) and long-term stability (450 days). Thirty-nine samples were stored, 9 at 45 °C, 6 at 4 °C and 24 at 20 °C. The behaviour of viscosity is analysed considering the estimated uncertainty of measurements for characterisation, homogeneity and stability. The reason to study a transesterified biofuel with ethanol lies in the fact that it is easy to produce this fluid from sugarcane in Brazil.

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Acknowledgment

We thank our colleagues D.Sc. Renata Martins Horta Borges, from Accreditation Division of Inmetro, D.Sc. Cláudia Santos Cardoso de Castro, from Mass Laboratory at Inmetro, and Eng. Felipe de Oliveira Baldner, from Laflu, for the important contributions to this work.

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Authors and Affiliations

  1. Fluids Laboratory, Inmetro, Av. Nossa Senhora das Graças, 50, CEP 25250-020, Duque de Caxias, Rio de Janeiro, Brazil

    D. M. E. Santo Filho, C. R. C. Rodrigues & A. P. F. Barbosa

  2. Universidade Federal Fluminense/PGMEC-UFF, Rua Passo da Pátria, 156 São Domingos, Niterói, CEP 24210-240, Rio de Janeiro, Brazil

    D. M. E. Santo Filho & R. G. Pereira

Authors
  1. D. M. E. Santo Filho
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  2. R. G. Pereira
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  3. C. R. C. Rodrigues
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  4. A. P. F. Barbosa
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Correspondence to D. M. E. Santo Filho.

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Santo Filho, D.M.E., Pereira, R.G., Rodrigues, C.R.C. et al. The possibility of using beef tallow biodiesel as a viscosity reference material. Accred Qual Assur 15, 473–476 (2010). https://doi.org/10.1007/s00769-010-0650-4

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  • DOI: https://doi.org/10.1007/s00769-010-0650-4

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