| 总磷和总氮的海水与淡水分析方法比较 |
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| 引用本文： | 王中瑗,张宏康,方宏达,张保学,张纯超,张珞平.总磷和总氮的海水与淡水分析方法比较[J].海洋环境科学,2016,35(3):428-433. |
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| 作者姓名： | 王中瑗 张宏康 方宏达 张保学 张纯超 张珞平 |
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| 作者单位： | 1.国家海洋局南海环境监测中心, 广东 广州 510300 |
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| 基金项目： | 国家海洋局环保司2011年度《珠江口海洋环境质量综合评价方法》(DOMEP(MEA)-03-01);国家自然科学基金青年基金(41406093);广东省教育厅科技创新项目(2013KJCX0103);广东省科技计划项目(2013B090600033) |
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| 摘 要： | 应用国家的海水分析方法(流动注射分析法)和地表水分析方法测定珠江口不同盐度的海水样品中的总磷和总氮,分别进行精密度试验和准确度试验,并对两种国标方法进行比较。实验结果表明,两种方法无显著性差异。流动注射法适用于任何盐度海水中总磷和总氮的测定,且方法具有检出限低、环保、高效等优点。
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| 关 键 词： | 总磷 总氮 国家海水分析方法 国家地表水分析方法 |
| 收稿时间： | 2015-06-14 |
Comparison of the determination of TP and TN using national seawater method and surface water method |
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| Zhong-yuan WANG,Hong-kang ZHANG,Hong-da FANG,Bao-xue ZHANG,Chun-chao ZHANG,Luo-ping ZHANG.Comparison of the determination of TP and TN using national seawater method and surface water method[J].Marine Environmental Science,2016,35(3):428-433. |
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| Authors: | Zhong-yuan WANG Hong-kang ZHANG Hong-da FANG Bao-xue ZHANG Chun-chao ZHANG Luo-ping ZHANG |
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| Institution: | 1.Environmental Monitoring Center of the South China Sea, State Oceanic Administration, Guangzhou 510300, China |
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| Abstract: | The concentrations of total phosphorus (TP) and nitrogen (TN) in different salinity samples in Pearl River estuary were determined by using national seawater analytical method and surface water analytical method, respectively.The accuracy and precision of the two methods were investigated, and the concentrations of TN and TP in different salinity were compared by using the two methods.The experimental results indicated that the two methods showed no significant difference.But the seawater analytical method by using flow injection (FI) showed lower detection limit, more environment friendly and higher efficiency than that of the surface water analytical method. |
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