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《Infrared Technology》 2015-01
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Rapid Analysis of Four Routine Chemical Components in Tobacco Stem by Near-infrared Spectroscopy

YUAN Er-wen;YAN Xin-long;ZHAO Dong-hui;Technology Centre of Taicang Haiyan Reconstituted Tobacco Co., Ltd.,Shanghai Tobacco Group;  
In order to discuss the feasibility of predicting the nicotine, total sugar, reducing sugar and chlorine components in reconstituted tobacco raw materials(stem) with Near Infrared Spectroscopy, these four components models were established by Near-Infrared diffuse reflection spectroscopic combined with partial least squares(PLS) method. The spectrum of the 130 samples, supplied by Shanghai reconstituted tobacco S 、 Guangdong reconstituted tobacco raw materials and mixed stem materials, were collected by Fourier transform near-infrared analyzer. And their predicted effects, stability and accuracy were evaluated.The results indicate that:1these prediction models show approximate and lower Root Mean Square Error of Calibration(RMSEC) and Root Mean Square Error of Prediction(RMSEP), and their Corr. Coeff. are both above 0.97. Otherwise, the mean relative deviations of the predicted values of nicotine, total sugar, reducing sugar are3.47%, 1.23%, 1.31% and 2.34% respectively. 2By the verification of these prediction models,their values RMSEP/RMSEC are close to 1 while their RPD are both above 3, showing that quantitative analysis by Near-Infrared Spectroscopy has presented itself as an accurate, reliable and no significant difference with Flow Analysis method.
【CateGory Index】: TS47;O657.33
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Chinese Journal Full-text Database 1 Hits
1 Zhang Jing-nan,Huang Si-min,Huang Jing(Jinmin Reconstituted Tobacco Leaf Development Limited Company,Luoyuan,Fujian 350600,China);Study on rapid prediction of routine chemical components in the Tobacco stem by Near-Infrared Spectroscopy Method[J];Fujian Analysis & Testing;2013-04
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