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2010•Journal of Xichang CollegeRequires access

Rapid Determination of Chemical Constituents of Tobacco Samples with Online Near-infrared(NIR)Spectroscopy

Qin Xin

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Abstract

Rapid determination of chemical constituents of tobacco samples with online near-infrared(NIR)is investigated.Five kinds of calibration models,which correspond to total sugar,reducing sugar,total plant alkali,chlorine,nitrogen,respectively,are constructed.All the models show high determination coefficients and good?correlation.No significant differences exist between the predicted values and measured values from flow analysis,indicating that these models are feasible in practice.

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What this paper is about

Rapid determination of chemical constituents of tobacco samples with online near-infrared(NIR)is investigated.Five kinds of calibration models,which correspond to total sugar,reducing sugar,total plant alkali,chlorine,nitrogen,respectively,are constructed.All the models show high determination coefficients and good?correlation.No significant differences exist between the predicted values and measured values from flow analysis,indicating that these models are feasible in practice.

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Available abstract

Rapid determination of chemical constituents of tobacco samples with online near-infrared(NIR)is investigated.Five kinds of calibration models,which correspond to total sugar,reducing sugar,total plant alkali,chlorine,nitrogen,respectively,are constructed.All the models show high determination coefficients and good?correlation.No significant differences exist between the predicted values and measured values from flow analysis,indicating that these models are feasible in practice.

Key concepts: Near-infrared spectroscopy, Sugar, Calibration, Chlorine, Near infrared reflectance spectroscopy, Chemistry, Analytical Chemistry (journal), Spectroscopy

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