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短波近红外光谱法分析酒中乙醇含量

逯家辉1, 滕利荣1, 蒋富明1, 任玉林1, 邱芳萍2, 王友兵3   

  1. 1. 吉林大学化学学院, 长春 130023; 2. 长春工业大学生物工程学院, 长春 1 30012; 3. 白城医学院, 白城 137000
  • 收稿日期:2002-09-12 修回日期:1900-01-01 出版日期:2003-04-26 发布日期:2003-04-26
  • 通讯作者: 任玉林

Rapid Determination of Ethanol in Wine by Short-wavelength Near-infrared Spectro scopy

LU Jia-hui1, TENG Li-rong1, JIANG Fu-ming1 , REN Yu-lin1, QIU Fang-ping2, WANG You-bing3   

  1. 1. College of Chemistry, Jilin University, Changchun 130023, China; 2. Colloge of Bioengineering, Changchun Industrial University, Changchun 130012, China; 3. Bacheng Medical College, Baicheng 137000, China
  • Received:2002-09-12 Revised:1900-01-01 Online:2003-04-26 Published:2003-04-26
  • Contact: REN Yu-lin

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 )分析了二阶导数差谱数据. 该法分析酒样具有方便、 快速的优点.

关键词: 短波近红外光谱, 多变量校正, 乙醇测定

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 mixtures were studied to estabilsh the spectral features. The analysis of the second-derivative difference spectrum da ta was accomplished with multilinear regression(MLR) and principal component reg ression(PCR). This method has the advantage of rapid analysis.

Key words: short-wavelength near-infrared spectroscopy, multivariate calibration, ethanol determination

中图分类号: 

  • O657.33