| 交联聚苯乙烯包覆二氧化锆柱填料的制备与评价 |
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| 引用本文： | 杨俊佼,左育民.交联聚苯乙烯包覆二氧化锆柱填料的制备与评价[J].分析化学,2005,33(3):325-328. |
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| 作者姓名： | 杨俊佼 左育民 |
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| 作者单位： | 1. 北京化工大学分析测试中心,北京,100029
2. 南开大学化学系,天津,300071 |
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| 摘 要： | 交联聚苯乙烯包覆二氧化锆固定相是在溶液体系中通过自由基引发乙基苯乙烯、二乙烯基苯和乙烯基二氧化锆共聚反应获得。IR和SEM表征这种填料的表面特征，考察了这种交联聚合物包覆柱填料的色谱性能和化学稳定性，并用这种填料分离了苯甲酸酯类和碱性化合物。
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| 关 键 词： | 交联聚苯乙烯包覆固定相 二氧化锆 液相色谱柱填料 |
Preparation and Evaluation of Polystyrene-Encapsulated Zirconia-Based Packings for High Performance Liquid Chromatography |
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| Yang Junjiao,Zuo Yumin.Preparation and Evaluation of Polystyrene-Encapsulated Zirconia-Based Packings for High Performance Liquid Chromatography[J].Chinese Journal of Analytical Chemistry,2005,33(3):325-328. |
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| Authors: | Yang Junjiao Zuo Yumin |
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| Abstract: | Novel polystyrene-encapsulated zirconia-based packings for high performance liquid chromatography (HPLC) were synthesized by radical polymerization of divinylbenzene with vinyl-modified zirconia in ~solution . The carbon content of this polymer-encapsulated zirconia can be 1%~25% (W/W) on the basis of carbon analysis. Infrared and scanning electron microscopy were used for characterizing the physical property of these stationary phases. Chromatographic characteristics were evaluated, and pH stability was also examined. The results show that the polymer-encapsulated zirconia is stable over a very wide range of pH (pH ~1~13 ). Its superior performance for the separation of mixtures of benzoates and anilines was demonstrated. |
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| Keywords: | Polymer-encapsulated packings zirconia liquid chromatographic packing materials |
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