| 微量法测定石油产品中残炭含量的不确定度评价 |
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| 引用本文： | 邓全道,覃丽霞,刘灵芝.微量法测定石油产品中残炭含量的不确定度评价[J].广州化工,2009,37(5):153-154,160. |
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| 作者姓名： | 邓全道 覃丽霞 刘灵芝 |
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| 作者单位： | 钦州出入境检验检疫局,广西,钦州,535000 |
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| 摘 要： | 按照测量不确定度评定的通用规则，建立了数学模型，对微量法测定石油产品中残炭含量的测量不确定度进行了评定，分析了方法中的不确定度分量及其来源，计算了各分量的不确定度，最后计算出了检测结果的合成标准不确定度和扩展不确定度。检测结果和不确定度评定结果为（0．35±0．02）％，k=2。残炭质量称量引起的测量不确定度分量为最大。
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| 关 键 词： | 微量法 石油产品 残炭含量 不确定度 评定 |
Evaluation of the Uncertainty Measurement for the Determination of Carbon Residue in Petroleum Products by Micro Method |
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| DENG Quan-dao,QIN Li-xia,LIU Ling-zhi.Evaluation of the Uncertainty Measurement for the Determination of Carbon Residue in Petroleum Products by Micro Method[J].GuangZhou Chemical Industry and Technology,2009,37(5):153-154,160. |
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| Authors: | DENG Quan-dao QIN Li-xia LIU Ling-zhi |
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| Affiliation: | Qinzhou Import and Export Inspection and Quarantine Bureau;Guangxi Qinzhou 535000;China |
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| Abstract: | According to JJF1059-1999 "Evaluation and Expression of Uncertainty in Measurement",a mathematic model for the determination of carbon residue in petroleum products by micro method was established.The calculation formula was deduced.Some data were collected in the procedure of analyzing the sample and the uncertainties of various variables were calculated.The combined uncertainty and expanded uncertainty were finally obtained by synthesizing the uncertainties of various component variables.Results of determ... |
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| Keywords: | micro method petroleum products carbon residue measurement uncertainty evaluation |
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