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- E-ISSN 2288-8985
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Analysis of biodiesel quality based on infrared spectroscopy and multivariate statistics
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2012, v.25 no.4, pp.214-222
https://doi.org/10.5806/AST.2012.25.4.214
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(2012). Analysis of biodiesel quality based on infrared spectroscopy and multivariate statistics. Analytical Science and Technology, 25(4), 214-222, https://doi.org/10.5806/AST.2012.25.4.214
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Abstract
ASTM (American Society for Testing and Materials) D6751-10 suggests analytical methods as well as specifications for biodiesel quality. However, it is expensive and time-consuming to follow the ASTM testing methods to analyze biodiesel and various impurities. This paper develops a quantitative analysis system for biodiesel and impurities based on Infrared spectroscopy and a multivariate statistical method, PLS (partial least squares). In addition, four different pre-processing techniques were compared for spectrum correction and noise reduction. Savitzky-Golay pre-processing showed the best performance.
- keywords
- biodiesel, multivariate calibration, infrared spectroscopy, spectrum pre-processing, Savitzky-Golay method
Reference
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