| λλ双波长一阶导数紫外光度法测定环境水体中的亚硝酸盐氮 |
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| 引用本文： | 张培锋,崔颖涛,韩艳艳.λλ双波长一阶导数紫外光度法测定环境水体中的亚硝酸盐氮[J].许昌师专学报,2008(5):104-106. |
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| 作者姓名： | 张培锋 崔颖涛 韩艳艳 |
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| 作者单位： | 许昌市环境保护监测站,河南许昌461000 |
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| 摘 要： | 利用NO2^-在紫外区有特征吸收及｜dA／dλ｜与其浓度之间存在线性关系的特点，在232nm和214nm两波长处建立了一种用一元线性方程测定亚硝酸盐氮的新方法，并在环境水体的测定中取得令人满意的效果．
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| 关 键 词： | 一阶导数 双波长 亚硝酸盐氮 |
Determination of Nitrite Nitrogen in Environmental Water by Dual-wavelengths and First-derivative Ultraviolet Spectrophotometry |
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| ZHANG Pei-feng,CUI Ying-tao,HAN Yan-yan.Determination of Nitrite Nitrogen in Environmental Water by Dual-wavelengths and First-derivative Ultraviolet Spectrophotometry[J].Journal of Xuchang Teachers College(Social Science Edition),2008(5):104-106. |
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| Authors: | ZHANG Pei-feng CUI Ying-tao HAN Yan-yan |
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| Institution: | ( Xuchang Environmental Monitoring Station, Xuchang 461000, China) |
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| Abstract: | Based on UV characteristic absorption of NO2 - and the linear relationship between ｜ dA/dλ ｜and its concentration, a new method is established to determine nitrite nitrogen＇by unary linear equation with the absorption peak at 232 nm and 214 nm , and a satisfactory result is obtained in the measurement of environment water. |
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| Keywords: | first-derivative dual-wavelengths nitrite nitrogen |
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