2016
DOI: 10.1016/j.fuel.2015.11.029
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Expeditious prediction of fiber content in sugar cane: An analytical possibility with LIBS and chemometrics

Abstract: a b s t r a c tThe development of a multivariate model for fiber content prediction in sugar cane has been investigated and can be offered as an alternative to the wet methods of analysis. The importance of fiber in bagasse of sugar cane is directly linked to the production of sugar and alcohol performances and to payment systems. The analytical method investigated here was the Laser-Induced Breakdown Spectroscopy (LIBS) combined with a Partial Least Squares (PLS) chemometric tool that can achieve the best mod… Show more

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Cited by 16 publications
(14 citation statements)
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“…Taking monochromator (SR-500i-A-R, Andor, Belfast, United Kingdom) as a spectrometer, which enable separate the optical signal during plasma transition process, so as to obtain high-resolution spectral information in the short wavelength band of 210.0107∼230.9990 nm. The wavelength of atomic and ion spectra is in one-to-one correspondence with specific elements, and the intensity of the spectral signal has a quantitative relationship with the content of the corresponding element (Rodrigues Romera et al, 2016). ICCD detector (iStar DH334T-18F-03, Andor, Belfast, United Kingdom) converted optical signal into electrical signal with optimized parameters (Delay = 1 µs, Gate width = 10 µs, Gain setting = 1000).…”
Section: Methodsmentioning
confidence: 99%
“…Taking monochromator (SR-500i-A-R, Andor, Belfast, United Kingdom) as a spectrometer, which enable separate the optical signal during plasma transition process, so as to obtain high-resolution spectral information in the short wavelength band of 210.0107∼230.9990 nm. The wavelength of atomic and ion spectra is in one-to-one correspondence with specific elements, and the intensity of the spectral signal has a quantitative relationship with the content of the corresponding element (Rodrigues Romera et al, 2016). ICCD detector (iStar DH334T-18F-03, Andor, Belfast, United Kingdom) converted optical signal into electrical signal with optimized parameters (Delay = 1 µs, Gate width = 10 µs, Gain setting = 1000).…”
Section: Methodsmentioning
confidence: 99%
“…Thus, establishing an equilibrium between the impurities, mainly Type B, and reliable material introduced in a system is important. Some impurities and fiber are the main constituents of bagasse [12][13][14], which is used for second-generation energy production [15], plasticizers [16] and biomass [17].…”
Section: Introductionmentioning
confidence: 99%
“…The fiber and impurity amounts introduced in a system (Type B) or formed during an industrial process (Type A) are correlated with the amount and quality of the resultant juice and the yields of the final products, i.e., sugar and ethanol. To rapidly predict the fiber content (%) in raw sugarcane bagasse, laser-induced breakdown spectroscopy (LIBS) has been used in combination with multivariate calibration [12]. The LIBS technique applies a short laser pulse to the sample surface to form a plasma at approximately 10,000 K [18].…”
Section: Introductionmentioning
confidence: 99%
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“…It is based on the atomic emission spectroscopy and has potential for multilayer in‐depth analysis . This technique has been employed for almost all types of materials like solid, liquid, gaseous, organic, inorganic, conductor, and non‐conductor (even with the irregular shape of samples) to determine the chemical composition and concentration of trace elements in the sample . LIBS uses a high intensity laser pulse as a vaporization or excitation source to create high temperature plasma plume.…”
Section: Introductionmentioning
confidence: 99%