Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/93542
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dc.titleDetermination of chlorophenoxy acid herbicides by capillary electrophoresis with integrated potential gradient detection
dc.contributor.authorQin, W.
dc.contributor.authorLi, S.F.Y.
dc.date.accessioned2014-10-16T08:25:31Z
dc.date.available2014-10-16T08:25:31Z
dc.date.issued2003-06
dc.identifier.citationQin, W.,Li, S.F.Y. (2003-06). Determination of chlorophenoxy acid herbicides by capillary electrophoresis with integrated potential gradient detection. Electrophoresis 24 (12-13) : 2174-2179. ScholarBank@NUS Repository.
dc.identifier.issn01730835
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/93542
dc.description.abstractThis report describes separation and detection of chlorophenoxy acid herbicides spiked in drinking water by the technique combining solid-phase extraction, field-amplified sample stacking, capillary electrophoresis, and potential gradient detection. The herbicide solution (400 mL) was concentrated to 0.1 mL by the solid-phase extraction procedure. The buffer containing 3 mM ammonia and 0.3 mM hydroxypropyl-β-cyclodextrin was adjusted to pH 9.0 with ammonia. The sample solution was injected into the capillary to 30% of the whole length, and -9 kV and 9 kV were employed for field-amplified sample stacking and separation, respectively. The herbicides were baseline separated and the detection limits with the above combined techniques were in the range of 1-4 × 10-2 ng/mL.
dc.sourceScopus
dc.subjectCapillary electrophoresis
dc.subjectChlorophenoxy acid herbicides
dc.subjectField-amplified sample stacking
dc.subjectPotential gradient detection
dc.subjectSolid-phase extraction
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.sourcetitleElectrophoresis
dc.description.volume24
dc.description.issue12-13
dc.description.page2174-2179
dc.description.codenELCTD
dc.identifier.isiutNOT_IN_WOS
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