| P—矩阵分光光度法同时测定水中NO3^—和NO2^—含量的研究 |
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| 引用本文： | 徐洪文. P—矩阵分光光度法同时测定水中NO3^—和NO2^—含量的研究[J]. 烟台大学学报(自然科学与工程版), 1997, 10(3): 183-186 |
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| 作者姓名： | 徐洪文 |
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| 作者单位： | 烟台大学应用化学系 |
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| 摘 要： | 论述了Ｐ－矩阵分光光度法同时测定水中ＮＯ３＾－和ＮＯ２＾－的含量，配制９份不同配比的ＮＯ３＾－和ＮＯ２＾－混合标准溶液，在１９７￣２１５ｎｍ波长范围内，选取７个波长点测定光度值，求得系数矩阵Ｐ．经对合成水样和实际水样测定，九次测定的变异系数均小于１．０％。
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| 关 键 词： | 硝酸根 亚硝酸根 P－矩阵 分光光度法 水分析 |
Study on the Simultaneous Determination of NO - 3 and NO - 2 in Water by P Matrix Spectrophotometric Method |
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| Xu Hongwen. Study on the Simultaneous Determination of NO - 3 and NO - 2 in Water by P Matrix Spectrophotometric Method[J]. Journal of Yantai University(Natural Science and Engineering edirion), 1997, 10(3): 183-186 |
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| Authors: | Xu Hongwen |
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| Abstract: | The P Matrix spectrophotometric method has been developed for the simultaneous determination of NO - 3 and NO - 2 in water. This method is simple without separation. The results are satisfactory and the relative standard deviatons of 9 analysis are less than 1.0%. |
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| Keywords: | nitrate nitrite PMatrix spectrophotometry |
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