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Volume 7, Issue 2 (February 2010)

ISSN: 1546-962X
CODEN: JAIOAD
Published Online: 21 December 2009
Page Count: 6


Characterization of Density of Biodiesel from Soybean, Sunflower, Canola, and Beef Tallow in Relation to Temperature, Using a Digital Density Meter with a Metrological Point of View

Santo Filho, D. M. E.
Inmetro—Instituto Nacional de Metrologia, Normalização e Qualidade Industrial, Divisão de Metrologia Mecânica, Av. Nossa Senhora das GraçasUFF—Universidade Federal Fluminense, PGMEC-UFF, Rua Passo da Pátria, R.J., Duque de CaxiasRio de Janeiro

de Abreu, F. L. B.
Inmetro—Instituto Nacional de Metrologia, Normalização e Qualidade Industrial, Divisão de Metrologia Mecânica, Av. Nossa Senhora das GraçasUFF—Universidade Federal Fluminense, PGMEC-UFF, Rua Passo da Pátria, R.J., Duque de CaxiasRio de Janeiro

Pereira, R. G.
UFF—Universidade Federal Fluminense, PGMEC-UFF, Rua Passo da Pátria, Rio de Janeiro

Siqueira, J. R. R.
Inmetro—Instituto Nacional de Metrologia, Normalização e Qualidade Industrial, Divisão de Metrologia Mecânica, Av. Nossa Senhora das Graças, R.J., Duque de Caxias

dos Santos Júnior, J. J. P.
Inmetro—Instituto Nacional de Metrologia, Normalização e Qualidade Industrial, Divisão de Metrologia Mecânica, Av. Nossa Senhora das Graças, R.J., Duque de Caxias

Daroda, R. J.
Inmetro—Instituto Nacional de Metrologia, Normalização e Qualidade Industrial, Divisão de Metrologia Mecânica, Av. Nossa Senhora das Graças, R.J., Duque de Caxias

(Received 19 March 2009; accepted 6 November 2009)

Abstract

In this article we study the behavior of biodiesel density from soybean oil, sunflower oil, canola oil, and beef tallow, the last one transesterified with ethanol and the others with methanol in relation to temperature with a metrological point of view. These quantities were measured with a digital density meter, one of the Brazilian density standards, in a temperature range between 15 and 40°C. Measurement uncertainty was calculated. The behavior of density is analyzed considering the estimated uncertainty. The density from all the samples investigated shows a linear behavior with respect to temperature.



Keywords:
soybean biodiesel, sunflower biodiesel, beef tallow biodiesel, canola biodiesel, metrology, density

Paper ID: JAI102430
DOI: 10.1520/JAI102430
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Author Title Characterization of Density of Biodiesel from Soybean, Sunflower, Canola, and Beef Tallow in Relation to Temperature, Using a Digital Density Meter with a Metrological Point of View Symposium , 0000-00-00 Committee D02