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Proceedings Paper

Field analysis of environmental samples using a portable capillary electrophoresis instrument
Author(s): Fong Yau Li; Hongping Wei; Tianlin Wang; Yuansheng Wu
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Paper Abstract

12 By incorporating a new electrochemical detector based on potential gradient detection, a portable capillary electrophoresis (CE) instrument for field analysis has been developed. The portable CE instrument can be used for detecting a broad range of ionizable species in aqueous solutions. The detection limits of the instrument for most ions were around 0.1 ppm with a linear range of three orders of magnitude. Ions in mineral water (K+, Na+, Ca2+, Mg2+, Cl-, NO3-, SO42-, CO32-) and bromate in drinking water were analyzed as examples with the portable capillary electrophoresis instrument.

Paper Details

Date Published: 14 February 2001
PDF: 8 pages
Proc. SPIE 4199, Water, Ground, and Air Pollution Monitoring and Remediation, (14 February 2001); doi: 10.1117/12.417360
Show Author Affiliations
Fong Yau Li, National Univ. of Singapore (Singapore)
Hongping Wei, CE Resources Pte Ltd. (Singapore)
Tianlin Wang, CE Resources Pte Ltd. (Singapore)
Yuansheng Wu, CE Resources Pte Ltd. (Singapore)

Published in SPIE Proceedings Vol. 4199:
Water, Ground, and Air Pollution Monitoring and Remediation
Tuan Vo-Dinh; Robert L. Spellicy, Editor(s)

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