| 离子色谱法测定水中亚硝酸盐的不确定度评定——应用TOP-DOWN技术 |
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| 引用本文： | 杨丽丽.离子色谱法测定水中亚硝酸盐的不确定度评定——应用TOP-DOWN技术[J].河北工业科技,2013,30(5):382-385. |
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| 作者姓名： | 杨丽丽 |
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| 作者单位： | 石家庄市环境监测中心 |
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| 摘 要： | 利用2个不同阶段的亚硝酸盐实验室质控样品的数据,采用TOP-DOWN技术中的控制图法评定了离子色谱法测定水中亚硝酸盐的不确定度。方法按照HJ 84—2001《水质无机阴离子的测定离子色谱法》测定水中亚硝酸盐。结果显示,测定亚硝酸盐浓度为0.388mg/L的实验室质控样品,不确定度为0.012mg/L。
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| 关 键 词： | TOP-DOWN技术 离子色谱法 亚硝酸盐 不确定度评定 |
Uncertainty measurement of nitrite in water by ion chromatography based on TOP-DOWN technique |
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| YANG Lili.Uncertainty measurement of nitrite in water by ion chromatography based on TOP-DOWN technique[J].Hebei Journal of Industrial Science & Technology,2013,30(5):382-385. |
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| Authors: | YANG Lili |
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| Institution: | YANG Lili (Shijiazhuang Municipal Environmental Monitoring Center,Shijiazhuang Hebei 050022,China) |
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| Abstract: | Based on the data of nitrites samples at different process phases in laboratory,the uncertainty of the nitrites in water is measured by ion chromatography using TOP-DOWN technique.The samples are measured by standard Water Quality-Determination of Inorganic Anions-Ion Chromotography Method.It shows that the uncertainty is 0.012 mg/L for the QC sample with the concentration of 0.388 mg/L |
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| Keywords: | "TOP-DOWN" technique ion chromatography nitrite uncertainty measurement |
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