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A New Method for Decreasing Mass Limit of Detection and Increasing Number of Theoretical Phates in Capillary Electrophoresis with Amperometric Detection

XueMeiSUN, QianFengWENG, WenRuiJIN

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Abstract

A new method aws developed to decrease the mass limit of detection (LOD) and increase the number of theoretical plates(N)in capillary electrophoresis with amperometric detcction.When the single microcylinder electrode,the 10 μm ID capillary with the etched detection end and the in-capillary alignment were used,the mass LOD for phenol was reduced 124 times and N was increased 36 times in comparison with the normal situation.

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What this paper is about

A new method aws developed to decrease the mass limit of detection (LOD) and increase the number of theoretical plates(N)in capillary electrophoresis with amperometric detcction.When the single microcylinder electrode,the 10 μm ID capillary with the etched detection end and the in-capillary alignment were used,the mass LOD for phenol was reduced 124 times and N was increased 36 times in comparison with the normal situation.

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Available abstract

A new method aws developed to decrease the mass limit of detection (LOD) and increase the number of theoretical plates(N)in capillary electrophoresis with amperometric detcction.When the single microcylinder electrode,the 10 μm ID capillary with the etched detection end and the in-capillary alignment were used,the mass LOD for phenol was reduced 124 times and N was increased 36 times in comparison with the normal situation.

Key concepts: Capillary electrophoresis, Detection limit, Amperometry, Capillary action, Chromatography, Chemistry, Analytical Chemistry (journal), Electrode

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