| 纳米结构钛酸盐电极快速测定水体COD |
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| 引用本文： | 林国辉,罗海燕,罗峰.纳米结构钛酸盐电极快速测定水体COD[J].化学分析计量,2014(5):33-35. |
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| 作者姓名： | 林国辉 罗海燕 罗峰 |
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| 作者单位： | 福建省计量科学研究院 |
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| 基金项目： | 福建省自然科学基金资助项目(2012J05018) |
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| 摘 要： | 分析了纳米结构钛酸盐电极快速测定COD的基本原理及COD标准物质定值方法。通过对纳米结构钛酸盐表征分析,钠型钛酸盐电极具有较高的灵敏度,外加0.7 V工作电位,测定COD溶液标准物质的线性相关系数大于0.995,误差在±8%以内;与国标方法比较,测量同一水样的误差在±15%以内。纳米结构钛酸盐电极可用于测量水体COD。
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| 关 键 词： | 纳米结构 钛酸盐 测量 钠型 |
Rapid Determination of COD by Nanostructured Titanates Electrode |
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| Lin Guohui;Luo Haiyan;Luo Feng.Rapid Determination of COD by Nanostructured Titanates Electrode[J].Chemical Analysis And Meterage,2014(5):33-35. |
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| Authors: | Lin Guohui;Luo Haiyan;Luo Feng |
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| Institution: | Lin Guohui;Luo Haiyan;Luo Feng;Fujian Metrology Institute; |
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| Abstract: | The basic principle and COD measuring method were studied by nanostructured titanates elelectrode. By the characterized analysis of nanostructured titanates, the sodium titanate electrode had a higher sensitivity. With 0.7 V operating potential, the linear correlation coefficient of determinating COD solution of standard substance was more than 0.995, and the diviation was ±8%. Compared with the national standard method for measuring the actual water samples, the diviation was within ±15%. This method can be used to determine COD in water. |
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| Keywords: | COD nanostructure titanate COD determination sodium |
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