| 流动注射壳聚糖在线微柱预富集电热原子吸收光谱法测定痕量Cr(VI) |
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| 引用本文： | 吴俊玲,王新省,姜萍,王彦芬.流动注射壳聚糖在线微柱预富集电热原子吸收光谱法测定痕量Cr(VI)[J].离子交换与吸附,2007(4). |
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| 作者姓名： | 吴俊玲 王新省 姜萍 王彦芬 |
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| 作者单位： | 南开大学化学学院 天津300071 |
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| 摘 要： | 以天然高分子材料壳聚糖作在线预富集柱填料,流动注射与电热原子光谱联用测定痕量Cr(VI)。采样体积5.80mL,采样频率22样/h,富集倍数51倍,线性范围0.02μg/L～0.12μg/L,该方法的检出限(3s,n=11)0.69ng/L,相对标准偏差5.1%(CCr(VI)=0.10μg/L,n=11)。将该方法用于环境水样、茶叶样品和头发样品中Cr(VI)的测定,结果满意。
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| 关 键 词： | 壳聚糖 流动注射 电热原子吸收光谱 在线预富集 铬(VI) |
FLOW INJECTION ON-LINE PRECONCENTRATION ON MICROCOLUMN PACKED WITH CHITOSAN FOR THE DETERMINATION OF TRANCE AMOUNTS OF CHROMIUM (VI) BY ELECTROTHERMAL ATOMIC ABSORPTION SPECTROMETRY |
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| WU Junling WANG Xinsheng JIANG Ping WANG Yanfen College of Chemistry,Nankai University,Tianjin ,China.FLOW INJECTION ON-LINE PRECONCENTRATION ON MICROCOLUMN PACKED WITH CHITOSAN FOR THE DETERMINATION OF TRANCE AMOUNTS OF CHROMIUM (VI) BY ELECTROTHERMAL ATOMIC ABSORPTION SPECTROMETRY[J].Ion Exchange and Adsorption,2007(4). |
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| Authors: | WU Junling WANG Xinsheng JIANG Ping WANG Yanfen College of Chemistry Nankai University Tianjin China |
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| Institution: | WU Junling WANG Xinsheng JIANG Ping WANG Yanfen College of Chemistry,Nankai University,Tianjin 300071,China |
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| Abstract: | |
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| Keywords: | Chitosan Flow injection Electrothermal atomic absorption spectrometry On-line preconcentration Chromium(VI) |
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