用近红外光谱检测牛奶中的三聚氰胺
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国家科技攻关计划


DETECTING THE MELAMINE OF PURE MILK BY NEAR INFRARED SPECTRA
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    摘要:

    研究了用近红外光谱法快速定性和定量检测纯牛奶中三聚氰胺.实验分别配制了两组不同三聚氰胺含量的纯牛奶样品,用于定性和定量分析.通过近红外光谱与聚类分析法相结合,可将含有和不含有三聚氰胺的牛奶样品有效分类;结合光谱预处理和波长选择及模型优化方法建立的检测三聚氰胺的近红外定量分析模型具有较好的稳定性和预测能力.结果表明,近红外光谱分析是一种快速、方便和环保的检测乳制品中三聚氰胺的新方法.

    Abstract:

    NIRS was used in rapid qualitative and quantitative detection for melamine of pure milk in this paper. Experiment was conducted by preparing two groups pure milk samples which melamine content is different for qualitative analysis and quantitative analysis. By combining NIRS technology with the cluster analysis method, A effective classification can be made on the two kinds of milk samples with and without melamine; To achieve this, spectrum pretreatment and wave length choice methods were employed before model optimization. The results showed that NIR models of predicting melamine content in pure milk has good stability and predictive ability.This paper suggested that NIR could be used as a quick, green and convenient method for predicting melamine content of dairy.

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徐云,王一鸣,吴静珠,张小超.用近红外光谱检测牛奶中的三聚氰胺[J].红外与毫米波学报,2010,29(1):53~56]. XU Yun, WANG Yi-Ming, WU Jing-Zhu, ZHANG Xiao-Chao. DETECTING THE MELAMINE OF PURE MILK BY NEAR INFRARED SPECTRA[J]. J. Infrared Millim. Waves,2010,29(1):53~56.]

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  • 收稿日期:2009-02-20
  • 最后修改日期:2009-09-21
  • 录用日期:2009-06-02
  • 在线发布日期: 2009-12-28
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