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凯氏定氮法测定豆奶中蛋白质的不确定度分析

殷忠

Studies of Trace Elements and Health（2017）

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Abstract
目的:分析和评定影响豆奶中蛋白质含量的测量不确定度分量,建立数学模型.方法:测量不确定度评定与表示(GB/T15481-2000)和JJF1059-1999.结果:当豆奶中蛋白质含量为2.61 g/100 ml时,合成不确定度为0.20 g/100 ml,扩展不确定度为0.40/100ml.结论:掌握蛋白质含量的测量不确定度评定方法,能帮助检验人员确定测定结果的可靠程度,确保测定结果准确可靠.
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