| 复混肥料中氯离子含量测量不确定度的评定 |
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| 引用本文： | 周俊玲.复混肥料中氯离子含量测量不确定度的评定[J].化学分析计量,2005,14(5):7-10. |
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| 作者姓名： | 周俊玲 |
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| 作者单位： | 沈阳市产品质量监督检验所,沈阳,110022 |
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| 摘 要： | 对硫氰酸铵滴定法测定复混肥料中氯离子含量的测量不确定度进行了评定。分析了测量重复性、滴定管、标准溶液浓度等因素对氯离子含量测量不确定度的影响。计算得复混肥料中氯离子含量测定结果的扩展不确定度为0．049％。
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| 关 键 词： | 氯离子 测量不确定度 评定 复混肥料 |
| 修稿时间： | 2005年6月20日 |
EVALUATION OF THE UNCERTAINTY OF MEASUREMENT FOR THE DETERMINATION OF CHLORIDE ION CONTENT IN COMPOUND FERTILIZER |
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| Zhou Junling.EVALUATION OF THE UNCERTAINTY OF MEASUREMENT FOR THE DETERMINATION OF CHLORIDE ION CONTENT IN COMPOUND FERTILIZER[J].Chemical Analysis And Meterage,2005,14(5):7-10. |
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| Authors: | Zhou Junling |
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| Abstract: | The uncertainty of measurement for the determination of chloride ion content in compound fertileizer by ammonium thiocyanate titration method was evaluated.The influence factors to the uncertainty of measurement for the determination of chloride ion content were analyzed,including repeatability of measurement results,burette,the concentration of standard solution,etc.The combined standard uncertainty was 0.049%. |
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| Keywords: | chloride ion uncertainty of measurement evaluation compound fertilizer |
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