2013
DOI: 10.1039/c3an00883e
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Simultaneous determination of hydrocarbon renewable diesel, biodiesel and petroleum diesel contents in diesel fuel blends using near infrared (NIR) spectroscopy and chemometrics

Abstract: Highly polluting fuels based on non-renewable resources such as fossil fuels need to be replaced with potentially less polluting renewable fuels derived from vegetable or animal biomass, these so-called biofuels, are a reality nowadays and many countries have started the challenge of increasing the use of different types of biofuels, such as ethanol and biodiesel (fatty acid alkyl esters), often mixed with petroleum derivatives, such as gasoline and diesel, respectively. The quantitative determination of these… Show more

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Cited by 29 publications
(14 citation statements)
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“…Hence, implementation of a simple methodology to obtain major trends on by-products formation is needed. In this context, chemometric tools are gaining momentum, as they can extract valuable information from raw complex data (Alves and Poppi, 2013;Boughattas et al, 2019;Karoui and De Baerdemaeker, 2007;Trawiński and Skibiński, 2018). In this sense, and taking advantage of the photophysical properties of FQ-type molecules, fluorescence excitation-emission matrices (EEMs) with the multi-way method, parallel factor analysis (PARAFAC), have been selected to study the ENR degradation.…”
Section: Introductionmentioning
confidence: 99%
“…Hence, implementation of a simple methodology to obtain major trends on by-products formation is needed. In this context, chemometric tools are gaining momentum, as they can extract valuable information from raw complex data (Alves and Poppi, 2013;Boughattas et al, 2019;Karoui and De Baerdemaeker, 2007;Trawiński and Skibiński, 2018). In this sense, and taking advantage of the photophysical properties of FQ-type molecules, fluorescence excitation-emission matrices (EEMs) with the multi-way method, parallel factor analysis (PARAFAC), have been selected to study the ENR degradation.…”
Section: Introductionmentioning
confidence: 99%
“…The concentration of biodiesel in blended fuels has been measured using various spectroscopic techniques, including infrared [3,4,5,6,7] and fluorescence [8,9] spectroscopy combined with multivariate analysis methods, such as Hierarchical Cluster Analysis (HCA), Principal Component Analysis (PCA), or Partial Least Squares (PLS). Electrospray ionization mass spectrometry has been combined with chemometric methods to analyze different feedstocks and blend compositions of biodiesel [10,11].…”
Section: Introductionmentioning
confidence: 99%
“…43,57,58 In general, a residual (3 i ) is dened as the difference between an experimental observation and a predicted value from a regression model, 3 i ¼ y act,i À y pred,i where y act,i is the real value and y pred,i is the predicted value by the regression model. 43,57,58 In general, a residual (3 i ) is dened as the difference between an experimental observation and a predicted value from a regression model, 3 i ¼ y act,i À y pred,i where y act,i is the real value and y pred,i is the predicted value by the regression model.…”
Section: Resultsmentioning
confidence: 99%
“…In order to detect whether there were outliers in the calibration and independent test samples, residual analysis 43,57,58 was executed in the PLS regression models. There are a total of 211 wavelengths in a spectrum.…”
Section: Multivariate Calibrationmentioning
confidence: 99%
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