| St-DVB基质阳离子交换固相萃取填料的研制及应用 |
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| 引用本文： | 申书昌,李媛媛,柏叶春.St-DVB基质阳离子交换固相萃取填料的研制及应用[J].化学研究与应用,2011,23(5):564-567. |
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| 作者姓名： | 申书昌 李媛媛 柏叶春 |
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| 作者单位： | 齐齐哈尔大学分析测试中心,黑龙江,齐齐哈尔,161006 |
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| 基金项目： | 黑龙江省教育厅科学技术研究项目(11531410) |
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| 摘 要： | 以玉米淀粉为分散剂,偶氮二异丁腈 (AIBN)为引发剂,二乙烯基苯(DVB)为交联剂,在在氮气保护下,用悬浮聚合法制备了交联苯乙烯-二乙烯苯(St-DVB )高分子微球,用浓硫酸进行磺化,制成了以St-DVB为基质的阳离子交换固相萃取填料.考察了搅拌速度对交联聚苯乙烯微球粒径大小及分布的影响.分别用TEM,SEM/ED...
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| 关 键 词： | 阳离子交换固相萃取 悬浮聚合 St-DVB 磺化 莠去津 |
Development and characterization of cation exchange sorbent of St-DVB copolymer support for solid-phase extraction |
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| SHEN Shu-chang,LI Yuan-yuan,BAI Ye-chun.Development and characterization of cation exchange sorbent of St-DVB copolymer support for solid-phase extraction[J].Chemical Research and Application,2011,23(5):564-567. |
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| Authors: | SHEN Shu-chang LI Yuan-yuan BAI Ye-chun |
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| Institution: | SHEN Shu-chang,LI Yuan-yuan,BAI Ye-chun(Analytical and Testing Center of qiqihar University,Qiqihar 161006,China) |
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| Abstract: | In this paper,used corn-starch as dispersing agent,2,2-azobisisobutyronitrile as initiator of polymerization,divinyl benzene as cross-linking agent,polystyrene-divinyl benzene microspheres were prepared by suspension polymerization under nitrogen.The polystyrene-divinyl benzene microspheres were sulfonated by concentrated sulfuric acid,the polystyrene-divinyl benzene sulphonic acid material as a cation exchange sorbent for solid phase extraction packing.stirring speed were investigated to cross-linked polys... |
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| Keywords: | suspension polymerization St-DVB cation exchange solid phase extraction atrazinec |
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