| 婴幼儿奶粉中左旋肉碱测定的不确定度 |
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| 引用本文： | 张丹妮,曹扬,张华燕,刘丁.婴幼儿奶粉中左旋肉碱测定的不确定度[J].农产品加工．学刊,2011(8):96-99. |
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| 作者姓名： | 张丹妮 曹扬 张华燕 刘丁 |
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| 作者单位： | 上海市质量监督检验技术研究院国家食品质量监督检验中心,上海,200233 |
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| 摘 要： | 采用分光光度法测定婴幼儿奶粉中左旋肉碱的含量。通过对婴幼儿奶粉中左旋肉碱的测定进行不确定度的评估,表达出了合成标准不确定度和扩展不确定度,为评价左旋肉碱测定结果的准确和可靠性提供技术依据。
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| 关 键 词： | 分光光度法 左旋肉碱 不确定度 |
Determination of Uncertainty of L-carnitine in Infant Milk Powder |
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| Zhang Danni,Cao Yang,Zhang Huayan,Liu Ding.Determination of Uncertainty of L-carnitine in Infant Milk Powder[J].Nongchanpin Jlagong.Xuekan,2011(8):96-99. |
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| Authors: | Zhang Danni Cao Yang Zhang Huayan Liu Ding |
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| Institution: | Zhang Danni,Cao Yang,Zhang Huayan,Liu Ding(Shanghai Insititute of Quality Inspection and Technical Research,National Food Quality Supervision and Inspection Center(Shanghai),Shanghai 200233,China) |
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| Abstract: | The content of L-carnitine in infant milk powder can be determined with spectrophotometry.By the experiment of uncertainty measurement of L-carnitine in infant milk powder,the combined standard uncertainty and the expanded uncertainty are expressed,which provide the effective and credible quality data for the quality control. |
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| Keywords: | spectrophotometry L-carnitine uncertainty |
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