| 重铬酸钾法测定废水COD的不确定度评定 |
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| 引用本文： | 崔莉叶,马建平,苏峥,刘尚英. 重铬酸钾法测定废水COD的不确定度评定[J]. 河北冶金, 2013, 0(10): 15-18 |
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| 作者姓名： | 崔莉叶 马建平 苏峥 刘尚英 |
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| 作者单位： | 邢台钢铁有限责任公司河北省线材工程技术研究中心,河北邢台054027 |
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| 摘 要： | 通过对重铬酸钾法测定废水中化学需氧量的各种不确定因素的分析和讨论,建立了测量不确定度评定数学模型,对各不确定度分量进行了评定与计算,得出合成标准不确定度、扩展不确定度,并以不确定度的形式给出测定结果.
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| 关 键 词： | 重铬酸钾法 废水 化学需氧量 不确定度 评定 |
EVALUATION FOR UNCERTAINTY OF DETERMINATION OF COD IN WASTE WATER WITH POTASSIUM BICHROMATE METHOD |
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| Cui Liye,Ma Jianping,Su Zheng,Liu Shangying. EVALUATION FOR UNCERTAINTY OF DETERMINATION OF COD IN WASTE WATER WITH POTASSIUM BICHROMATE METHOD[J]. Hebei Metallurgy, 2013, 0(10): 15-18 |
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| Authors: | Cui Liye Ma Jianping Su Zheng Liu Shangying |
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| Affiliation: | ( Wire Engineering Technique Research Center of Hebei Province, Xingtai Iron and Steel Company, Xingtai, Hebei, 054027 ) |
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| Abstract: | It is analyzed and discussed the various uncertain factors in determination of COD in waste water with potassium bichromate method, established the determination uncertainty evaluation mathematic model, the different uncertainty components are evaluated and calculated, the combined standard uncertainty and ex- panded uncertainty got. The determination result is presented as uncertainty. |
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| Keywords: | potassium bichromate method waste water COD uncertainty evaluation |
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