| 1-（4-硝基苯基）-3-（甲基苯）-三氮烯的合成及与镉（Ⅱ）的显色反应 |
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| 引用本文： | 黄晓东.1-（4-硝基苯基）-3-（甲基苯）-三氮烯的合成及与镉（Ⅱ）的显色反应[J].闽江学院学报,2011,32(2):101-104. |
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| 作者姓名： | 黄晓东 |
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| 作者单位： | 闽江学院化学与化学工程系,福建福州,350108 |
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| 基金项目： | 福建省自然科学基金项目 |
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| 摘 要： | 报道了显色剂1-（4-硝基苯基）-3-（甲基苯）-三氮烯化合物（NPMT）的合成及其与镉（Ⅱ）的显色反应.在非离子表面活性剂Triton X-100存在下,pH 11.0的Na2B4O7-NaOH的缓冲介质中,该试剂能与镉（Ⅱ）与发生显色反应,形成摩尔比为4∶1的橙黄色配合物,配合物在波长465 nm处有最大吸收峰,表观摩尔吸光系数ε为2.13×106 L·mol-1·cm-1,镉（Ⅱ）浓度在0.08-0.48μg/ml范围内遵守比尔定律.用拟定方法可有效测出不同废水中的镉（Ⅱ）.
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| 关 键 词： | 1-（4-硝基苯基）-3-（甲基苯）-三氮烯 镉 显色反应 |
Synthesis of 1-(4-nitrophenyl)-3-(methy benzene)-triazene and its color reaction with cadmium |
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| HUANG Xiao-dong.Synthesis of 1-(4-nitrophenyl)-3-(methy benzene)-triazene and its color reaction with cadmium[J].Journal of Minjiang University,2011,32(2):101-104. |
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| Authors: | HUANG Xiao-dong |
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| Institution: | HUANG Xiao-dong (Department of Chemistry and Chemical Eengineering,Minjiang University,Fuzhou,Fujian 350108,China) |
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| Abstract: | This paper reported the synthesis of a new reagent 1-(4-nitrophenyl)-3-(methy benzene)-triazene(NPMT) and its color reaction with cadmium(Ⅱ).In the presence of the surfactant Triton X-100 and in the medium Na2B4O7-NaOH of pH 11.0,the regent reacted with cadmium(Ⅱ) to form a 4∶1 orange-yellow complex.The maximum absorption wavelength was at 465 nm.The molar absorptivity was 2.13×106 L·mol-1·cm-1.Beer’s law was obeyed in the range of 0.08~0.48 μg/mL of cadmium(Ⅱ).The method had been applied to determine cadmium(Ⅱ) in waster water samples with satisfactory results. |
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| Keywords: | 1-(4-nitrophenyl)-3-(methy benzene)-triazene cadmium(Ⅱ) color reaction |
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