| 短波近红外光谱法分析酒中乙醇含量初探 |
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| 引用本文： | 王友兵.短波近红外光谱法分析酒中乙醇含量初探[J].白城师范学院学报,2004(4). |
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| 作者姓名： | 王友兵 |
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| 作者单位： | 白城医学高等专科学校 137000 |
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| 摘 要： | 使用短波近红外光谱和多变量校正技术快速准确地测定酒中乙醇含量,研究了纯水、乙醇以及乙醇和水混合体系的光谱特征。用多元线性回归(MLR)和主成分回归(PCR)分析了数据。该法分析酒样具有方便、快速的优点。
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| 关 键 词： | 短波近红外光谱 校正 乙醇测定 |
Rapid Determination of Ethanol in Wine by Short-wavelength Near-infrared Spectroscopy |
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| Wang Youbing.Rapid Determination of Ethanol in Wine by Short-wavelength Near-infrared Spectroscopy[J].Journal of Baicheng Normal College,2004(4). |
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| Authors: | Wang Youbing |
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| Institution: | Baioheng Medical College 137000 |
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| Abstract: | The short-wavelength near-infrared spectroscopy and multivariate calibration were used for the rapid and accurate determination of etchanol in wines.Pure ethanol/water and ethanol/water mix -tures were studied to estabilsh the spectral features.The analysis of the second -derivative difference spectrum data was accomplished with multilinear regression (MLR) and principal component regression (PCR). This merhod has the advantage of rapid analysis. |
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| Keywords: | short-wavelength near-infrared spectroscopy multivariate calibration ethanol determina-tion |
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