| 卡尔曼滤波分光光度法同时测定微量NO_3~－和NO_2~－的研究 |
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| 引用本文： | 陆亚玲,于少明.卡尔曼滤波分光光度法同时测定微量NO_3~－和NO_2~－的研究[J].合肥工业大学学报(自然科学版),1994(4). |
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| 作者姓名： | 陆亚玲 于少明 |
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| 作者单位： | 合肥工业大学 |
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| 摘 要： | 文章在研究了ＮＯ３和ＮＯ２紫外光谱的基础上，选择了合适的测量波长范围．采用卡尔曼滤波法处理实验数据，达到了同时测定ＮＯ３和ＮＯ２含量的目的。该法操作简便、准确、使用试剂少，用于实际水样分析，获得较满意的结果，回收率为９６．５～１０４％．
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| 关 键 词： | 多组分光度分析 卡尔曼滤波 硝酸盐 亚硝酸盐 |
STUDY ON THE SIMULTANEOUS DETERMINATION OF NITRATE AND NITRITE BY KALMAN FILTERING SPECTROPHOTOMETRY |
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| Lu Yaling, Yu Shaoming.STUDY ON THE SIMULTANEOUS DETERMINATION OF NITRATE AND NITRITE BY KALMAN FILTERING SPECTROPHOTOMETRY[J].Journal of Hefei University of Technology(Natural Science),1994(4). |
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| Authors: | Lu Yaling Yu Shaoming |
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| Institution: | Lu Yaling; Yu Shaoming |
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| Abstract: | A spectrophotometric method based on Kalman filtering is described for simultaneous determination of nitrate and nitrite.On the basis of studying the absorption spectra of NO3 and NO2,a suitable measuring wavelength range is defined. The result shows that the method is simple,accurate and selective.It is satisfactorily applied to the simultaneous spectrophotometric determination of NO3 and NO2 in tap water.The recovery is 96.8%-104%. |
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| Keywords: | Kalman filtering multicomponent photometry nitrate nitrite |
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