| 尿素中水分含量测定的不确定度评定 |
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| 引用本文： | 胡威盛. 尿素中水分含量测定的不确定度评定[J]. 大氮肥, 2009, 32(1): 60-63 |
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| 作者姓名： | 胡威盛 |
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| 作者单位： | 中海石油化学股份有限公司分析化验中心,海南东方,572600 |
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| 摘 要： | 介绍了用卡尔费休容量法测定成品尿素水分的测定过程，评估了测定过程中系统效应产生的主要不确定度分量，计算了结果的标准合成不确定度和扩展不确定度。
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| 关 键 词： | 卡尔费休 不确定度 滴定度 尿素 |
EVALUATION OF UNCERTAINTY OF MEASURED WATER CONTENT IN UREA |
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| Hu Weisheng. EVALUATION OF UNCERTAINTY OF MEASURED WATER CONTENT IN UREA[J]. Large Scale Nitrogenous Fertilizer Industry, 2009, 32(1): 60-63 |
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| Authors: | Hu Weisheng |
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| Affiliation: | Hu Weisheng ( Testing ＆ Analysis Center of Fudao Chemical Co., Ltd., CNOOC, Dongfang,572600) |
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| Abstract: | This paper presented uncertainty of measuring process of water content in urea by KF volume method, evaluated the main uncertainty component generated by system effect during the measurement. The combined standard uncertainty and the expanded uncertainty of measurement results were calculated. |
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| Keywords: | Karl Fisher uncertainty titer urea |
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