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Article: Simple interface for capillary electrophoresis-inductively coupled plasma atomic emission spectrometry

TitleSimple interface for capillary electrophoresis-inductively coupled plasma atomic emission spectrometry
Authors
KeywordsDetection, electrophoresis
Inorganic anions
Instrumentation
Interfaces, CE-ICP
Metal cations
Metal complexes
Issue Date2000
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/chroma
Citation
Journal Of Chromatography A, 2000, v. 891 n. 1, p. 139-148 How to Cite?
AbstractA simple interface has been developed to couple capillary electrophoresis (CE) to inductively coupled plasma atomic emission spectrometry (ICP-AES) for metal speciation. A concentric glass nebulizer with elongated tip is used as the CE-ICP interface. The CE capillary is the central tube of the nebulizer. A platinum wire is wrapped across the exit end of the CE capillary to provide electrical connection to the CE power supply. No sheath flow of buffer solution is needed. A simple cooling system has also been developed. A peristaltic pump circulates water through a plastic tube that encloses the section of the CE capillary between the CE instrument and the ICP spectrometer. Characteristics of the CE-ICP interface, e.g., elution time, nebulization and transport efficiency and peak broadening, versus carrier gas flow-rate have been studied. Comparisons to a previous design with the Pt electrode inserted into the end of the CE capillary are made where appropriate. The reproducibility (RSD) in ICP emission intensity of the system is <4%. Detection limits of Cr and Cu are ~5 ng/ml. (C) 2000 Elsevier Science B.V.
Persistent Identifierhttp://hdl.handle.net/10722/68785
ISSN
2015 Impact Factor: 3.926
2015 SCImago Journal Rankings: 1.774
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorDeng, Ben_HK
dc.contributor.authorChan, WTen_HK
dc.date.accessioned2010-09-06T06:07:42Z-
dc.date.available2010-09-06T06:07:42Z-
dc.date.issued2000en_HK
dc.identifier.citationJournal Of Chromatography A, 2000, v. 891 n. 1, p. 139-148en_HK
dc.identifier.issn0021-9673en_HK
dc.identifier.urihttp://hdl.handle.net/10722/68785-
dc.description.abstractA simple interface has been developed to couple capillary electrophoresis (CE) to inductively coupled plasma atomic emission spectrometry (ICP-AES) for metal speciation. A concentric glass nebulizer with elongated tip is used as the CE-ICP interface. The CE capillary is the central tube of the nebulizer. A platinum wire is wrapped across the exit end of the CE capillary to provide electrical connection to the CE power supply. No sheath flow of buffer solution is needed. A simple cooling system has also been developed. A peristaltic pump circulates water through a plastic tube that encloses the section of the CE capillary between the CE instrument and the ICP spectrometer. Characteristics of the CE-ICP interface, e.g., elution time, nebulization and transport efficiency and peak broadening, versus carrier gas flow-rate have been studied. Comparisons to a previous design with the Pt electrode inserted into the end of the CE capillary are made where appropriate. The reproducibility (RSD) in ICP emission intensity of the system is <4%. Detection limits of Cr and Cu are ~5 ng/ml. (C) 2000 Elsevier Science B.V.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/chromaen_HK
dc.relation.ispartofJournal of Chromatography Aen_HK
dc.rightsJournal of Chromatography A. Copyright © Elsevier BV.en_HK
dc.subjectDetection, electrophoresisen_HK
dc.subjectInorganic anionsen_HK
dc.subjectInstrumentationen_HK
dc.subjectInterfaces, CE-ICPen_HK
dc.subjectMetal cationsen_HK
dc.subjectMetal complexesen_HK
dc.titleSimple interface for capillary electrophoresis-inductively coupled plasma atomic emission spectrometryen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0021-9673&volume=891&spage=139&epage=148&date=2000&atitle=Simple+interface+for+capillary+electrophoresis-inductively+coupled+plasma+atomic+emission+spectrometryen_HK
dc.identifier.emailChan, WT:wtchan@hku.hken_HK
dc.identifier.authorityChan, WT=rp00668en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0021-9673(00)00622-1en_HK
dc.identifier.pmid10999633-
dc.identifier.scopuseid_2-s2.0-0034283705en_HK
dc.identifier.hkuros56689en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034283705&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume891en_HK
dc.identifier.issue1en_HK
dc.identifier.spage139en_HK
dc.identifier.epage148en_HK
dc.identifier.isiWOS:000089112500012-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridDeng, B=14044884000en_HK
dc.identifier.scopusauthoridChan, WT=7403918827en_HK

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