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首页> 外文期刊>The Analyst: The Analytical Journal of the Royal Society of Chemistry: A Monthly International Publication Dealing with All Branches of Analytical Chemistry >Simultaneous separation of inorganic anions and cations using capillary electrophoresis with a movable contactless conductivity detector
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Simultaneous separation of inorganic anions and cations using capillary electrophoresis with a movable contactless conductivity detector

机译：使用可移动的非接触式电导检测器的毛细管电泳同时分离无机阴离子和阳离子

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A number of small inorganic anins and cations were separated after injection of the sample into both ends of a separation capillary.The ions were detected using a capacitively coupled contactless conductivity detector (CCCCCD) which could be placed at various positions along the capillary length.Counter-directional migratin of anions and cationsoccurs towards the detector,which is placed at an appropriate position along the capillary so that the migration order is determined by the respective effective separation capillary lengths for both anions and cations.As the CCCCD detector canbe easily moved toany position along the capillary,virtually any effective separation length can be attained.Depending on the number of analytes in the sample,one can choose to obtain either electropherograms with inter-migrating zones of cations and anions or separations with distinct regions of anion and cation zones,respectivley.A new term'apparent separation selectivity' is introduced to describe the manner in which the position of the detector can be varied in order to determine the final separation.
机译：将样品注入分离毛细管的两端后，分离出许多小的无机阴离子和阳离子，使用电容耦合非接触式电导检测器（CCCCCD）检测离子，该检测器可沿毛细管长度放置在各个位置。阴离子和阳离子的定向偏头痛朝向检测器发生，检测器沿毛细管放置在适当的位置，因此迁移顺序由阴离子和阳离子各自的有效分离毛细管长度决定。由于CCCCD检测器可以轻松移动到任何位置沿着毛细管，几乎可以达到任何有效的分离长度。根据样品中分析物的数量，可以选择获得带有阳离子和阴离子相互迁移区的电泳图，或获得带有阴离子和阳离子区不同区域的分离区，引入了新术语``表观分离选择性''来描述在其中可以改变检测器的位置以确定最终间隔的方法。

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