| 以meso四-(对磺基苯)卟啉为柱后衍生剂同时测定微量镉、汞、锌的离子色谱法 |
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| 引用本文： | 阎大任,张静安,G.Schwedt.以meso四-(对磺基苯)卟啉为柱后衍生剂同时测定微量镉、汞、锌的离子色谱法[J].高等学校化学学报,1990(2). |
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| 作者姓名： | 阎大任 张静安 G.Schwedt |
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| 作者单位： | 中南工业大学化学系，中南工业大学化学系，Institut für Anorganishe und Analytische Chemic，TU-Clauthal. FRG |
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| 基金项目： | 中国自然科学基金会，联邦德国大众汽车厂基金会 |
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| 摘 要： | 提出了以TPPS_4为柱后色谱衍生试剂的同时测定微量汞、镉和锌的离子色谱分析法,研究了影响衍生反应速度的因素。在含氯化钠的pH 10.3～12的硼酸钠缓冲介质中,以PAR催化TPPS_4与待测金属离子反应,以硅质键合相阳离子交换剂为固定相、酒石酸—氯化钠为流动相,于10min左右定量分离金属离子并将镉的淋洗顺序调至锌前。用于废水、硅酸盐和大米分析,结果满意。
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| 关 键 词： | 离子色谱 卟啉试剂 汞、镉、锌的同时测定 |
Ion Chromatographic Analysis for Simultaneously Determining Trace Amounts of Hg, Cd, Zn Using Meso-Tetra(4-Sulfonatophenyl) Porphyrin as Post-Chromatographic Derivatization Agent |
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| Yan Daren,Zhang Jingan.Ion Chromatographic Analysis for Simultaneously Determining Trace Amounts of Hg, Cd, Zn Using Meso-Tetra(4-Sulfonatophenyl) Porphyrin as Post-Chromatographic Derivatization Agent[J].Chemical Research In Chinese Universities,1990(2). |
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| Authors: | Yan Daren Zhang Jingan |
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| Abstract: | An ion chromatographic methodising porphyrin TPPS4 as post-chromatographic derivatiza-tion agent has been developed for simultaneously determining trace amounts of Hg, Cd, Zn. The factors affecting the derivatization reaction rate were investigated. A detection system consisting of TPPS4 with PAR as accelerating agent of derivatization in the buffer of Na2B
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| Keywords: | Ion chromatography Porphyrin agent Simultaneous determination of Hg Cd and Zn |
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