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Measurement Uncertainty Evaluation for the Determination of Benzoic Acid in Dry Whole Milk by HPLC
Author(s): 
Pages: 27-30
Year: Issue:  5
Journal:  Fujian Quality Information

Keyword:  高效液相色谱法 全脂乳粉 苯甲酸 不确定度;
Abstract: 本文建立了高效液相色谱法测定全脂乳粉中苯甲酸含量的不确定度评定方法,并对测量过程中不确定度分量的来源进行了分析,发现采用GB21703—2010,全脂乳粉中苯甲酸含量的测量结果为:X=(2.04±0.06)mg/kg,k=2。不确定度的主要来源由测量重复性以及回收率引起,其他分量引起的不确定度相对较小。
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