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Czasopismo
2012 | 10 | 4 | 1328-1337
Tytuł artykułu

Prediction of properties of biodiesel-diesel blends using spectrofluorimetry and multivariate calibration

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Regressions based on fluorescence spectroscopy were developed to provide relatively inexpensive and rapid measurements of the concentration, viscosity, and specific gravity of biodiesel-diesel blends. The methods involved obtaining a mathematical model from spectrofluorimetric data and data from a given property (concentration, dynamic viscosity, or specific gravity) using partial least squares (PLS) regression, which was then applied as a model for predicting properties of interest. The predicted concentrations, dynamic viscosities, and specific gravities of the biodiesel-diesel blends were compared with actual values and agreed reasonably well with the obtained results. The models showed high correlation between real and predicted values. The R-square values near 1 indicated excellent model accuracy for predicting concentrations, specific gravities, and dynamic viscosities of biodiesel-diesel blends. The residual distribution did not follow a trend with respect to the predicted variables, indicating an excellent fit to the data. [...]
Wydawca

Czasopismo
Rocznik
Tom
10
Numer
4
Strony
1328-1337
Opis fizyczny
Daty
wydano
2012-08-01
online
2012-05-29
Twórcy
  • FBA - Federal Institute for Education, Science and Technology, Simões Filho, Bahia, 43700-000, Brazil, marimeir@ufba.br
  • UFBA - Institute of Chemistry, Federal University of Bahia, Salvador, Bahia, 40170-290, Brazil
autor
  • UFBA - Institute of Chemistry, Federal University of Bahia, Salvador, Bahia, 40170-290, Brazil
  • UTFPR - Federal Technological University of Paraná, Curitiba, Paraná, 80230-910, Brazil
  • UFBA - Institute of Chemistry, Federal University of Bahia, Salvador, Bahia, 40170-290, Brazil
  • UFBA - Institute of Chemistry, Federal University of Bahia, Salvador, Bahia, 40170-290, Brazil
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-012-0054-x
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