| 自动凯氏定氮仪测定大豆中蛋白质含量的不确定度评定 |
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| 引用本文： | 程树维,顾金玲,逄晶. 自动凯氏定氮仪测定大豆中蛋白质含量的不确定度评定[J]. 食品科技, 2007, 32(5): 231-233 |
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| 作者姓名： | 程树维 顾金玲 逄晶 |
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| 作者单位： | 中国华粮物流集团北良有限公司,大连,116001 |
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| 摘 要： | 在理化分析过程中,一切测定结果都不可避免地具有不确定度。通过对自动凯氏定氮仪测定大豆中蛋白质含量的检验过程进行分析,找出影响测量不确定度的因素,对各个不确定度分量进行评估和计算合成,并最终给出样品中蛋白质含量的合成标准不确定度及扩展不确定度。
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| 关 键 词： | 自动凯氏定氮仪 不确定度分量 合成标准不确定度 扩展不确定度 |
| 文章编号： | 1005-9989(2007)05-0231-03 |
| 修稿时间： | 2006-10-17 |
An evaluation of uncertainty measuring protein content in soybean with Kjeltec 2300 Protein Analyzer |
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| CHENG Shu-wei,GU Jin-ling,PANG Jing. An evaluation of uncertainty measuring protein content in soybean with Kjeltec 2300 Protein Analyzer[J]. Food Science and Technology, 2007, 32(5): 231-233 |
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| Authors: | CHENG Shu-wei GU Jin-ling PANG Jing |
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| Abstract: | The uncertainty exist in every determination result inevitably during physical and chemical analysis.In this paper,the process of measuring protein content in soybean with Kjeltec 2300 Protein Analyzer was discussed,found influence uncertainty facts,evaluated and calculated uncertainty components,present combined standard uncertainty and expanded uncertainty. |
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| Keywords: | Protein Analyzer uncertainty components combined standard uncertainty expanded uncertainty |
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