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Capillary electrophoresis with contactless conductivity detection coupled to a sequential injection analysis manifold for extended automated monitoring applications

Thanh, D. M. and Schmid, S. and Müller, B. and Hauser, P. C.. (2010) Capillary electrophoresis with contactless conductivity detection coupled to a sequential injection analysis manifold for extended automated monitoring applications. Analytica Chimica Acta, Vol. 665, H. 1. pp. 1-6.

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Official URL: http://edoc.unibas.ch/dok/A5841722

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Abstract

A capillary electrophoresis (CE) instrument with capacitively coupled contactless conductivity detection ((CD)-D-4) based on a sequential injection analysis (SIA) manifold was refined. Hydrodynamic injection was implemented to avoid a sampling bias by using a split-injection device based on a needle valve for precise adjustment. For safety and reliability, the integrity of the high voltage compartment at the detection end was fully maintained by implementing flushing of the high voltage interface through the capillary. With this set-up, extended fully automated monitoring applications are possible. The system was successfully tested in the field for the determination of the concentration levels of major inorganic cations and anions in a creek over a period of 5 days. (C) 2010 Elsevier B.V. All rights reserved.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Chemie > Analytische Chemie (Hauser)
UniBasel Contributors:Hauser, Peter C. P. C.
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Elsevier
ISSN:0003-2670
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:14 Sep 2012 07:19
Deposited On:14 Sep 2012 06:56

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