| 紫外分光光度法测定水中硝酸盐氮的试验研究 |
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| 引用本文： | 王曼,李冬,梁瑜海,吴迪.紫外分光光度法测定水中硝酸盐氮的试验研究[J].环境科学与技术,2011(Z1):231-234. |
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| 作者姓名： | 王曼 李冬 梁瑜海 吴迪 |
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| 作者单位： | 北京工业大学; |
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| 基金项目： | 国家科技重大专项水专项课题资助(2008ZX07208-003,2008ZX07420-004-BJUT001,2008ZX07208-005-003,2009ZX07424-001); 城市水资源与水环境国家重点实验室开放基金(QAK201005); 国家自然科学基金(50878003); 北京市自然科学基金(8092006); 北京工业大学科技基金(ykj-2010-3479) |
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| 摘 要： | 文章通过实验分析了亚硝酸盐、碳酸氢盐、碳酸盐和pH对紫外分光光度法测定硝酸盐氮的影响及消除影响的方法。实验结果表明,本法标准曲线相关系数为0.999 9,线性关系好。通过分析不同浓度的多个水样,结果平均标准差和变异系数为0.004 0和2.14%,平均加标回收率100.63%。因此,紫外分光光度法可以作为水中硝酸盐氮测定的择优方法。
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| 关 键 词： | 酸盐氮 紫外分光光度法 影响因素 |
Determination of Nitrate-Nitrogen with Ultraviolet Spectrophotometry |
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| WANG Man,LI Dong,LIANG Yu-hai,WU Di.Determination of Nitrate-Nitrogen with Ultraviolet Spectrophotometry[J].Environmental Science and Technology,2011(Z1):231-234. |
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| Authors: | WANG Man LI Dong LIANG Yu-hai WU Di |
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| Institution: | WANG Man,LI Dong,LIANG Yu-hai,WU Di(Beijing University of Technology,Beijing 100124 China) |
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| Abstract: | This paper focused on the impact on nitrate nitrogen determination with Ultraviolet Spectrophotometry such as the nitrite,bicarbonate,carbonate,and pH.Linear relation of standard curve was good and coefficient of correlation r=0.999 9.In addition,various water samples of different concentrations were analyzed.The results showed that the average standard deviation is 0.004 0 and coefficient of variation was 2.14%.The average recovery rate was 100.63% which suggested that the method could be a preferential to... |
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| Keywords: | nitrate nitrogen ultra-violet spectrophotometry factors |
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