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Article: Effects of analyte appearance time on relative atomic and ionic emission intensities of Zn in direct sample insertion inductively coupled plasma atomic emission spectrometry

TitleEffects of analyte appearance time on relative atomic and ionic emission intensities of Zn in direct sample insertion inductively coupled plasma atomic emission spectrometry
Authors
Issue Date2001
PublisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/jaas
Citation
Journal Of Analytical Atomic Spectrometry, 2001, v. 16 n. 6, p. 648-651 How to Cite?
AbstractThe appearance time of an analyte relative to the timing of the sample probe insertion is an important factor that determines the integrated intensity and precision of direct sample insertion inductively coupled plasma atomic emission spectrometry. The ICP background drops significantly with the insertion of a sample probe. Matrix effects can be severe if the the analyte appearance times are shifted relative to the background drop. In this study, matrix effects of NaCl on the temporal emission profiles and integrated emission intensities of Zn I and Zn II were shown to relate to the appearance time of the analyte. The peak maxima of the temporal profiles of Zn I and Zn II emissions were displaced by about 0.2 s in an aqueous matrix, but the maxima coincided in NaCl matrices. In addition, integrated emission intensities of the more difficult to excite Zn II species increased with an earlier appearance time. The changes in peak profiles and relative intensities are due to redistribution in the proportion of Zn atoms and Zn ions in the vaporized Zn population. The effects of the appearance time of Zn were further demonstrated using different sample probe insertion speeds to change the appearance time of the analyte relative to the background drop.
Persistent Identifierhttp://hdl.handle.net/10722/69960
ISSN
2015 Impact Factor: 3.379
2015 SCImago Journal Rankings: 1.022
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChan, GCYen_HK
dc.contributor.authorFan, MNen_HK
dc.contributor.authorChan, WTen_HK
dc.date.accessioned2010-09-06T06:18:25Z-
dc.date.available2010-09-06T06:18:25Z-
dc.date.issued2001en_HK
dc.identifier.citationJournal Of Analytical Atomic Spectrometry, 2001, v. 16 n. 6, p. 648-651en_HK
dc.identifier.issn0267-9477en_HK
dc.identifier.urihttp://hdl.handle.net/10722/69960-
dc.description.abstractThe appearance time of an analyte relative to the timing of the sample probe insertion is an important factor that determines the integrated intensity and precision of direct sample insertion inductively coupled plasma atomic emission spectrometry. The ICP background drops significantly with the insertion of a sample probe. Matrix effects can be severe if the the analyte appearance times are shifted relative to the background drop. In this study, matrix effects of NaCl on the temporal emission profiles and integrated emission intensities of Zn I and Zn II were shown to relate to the appearance time of the analyte. The peak maxima of the temporal profiles of Zn I and Zn II emissions were displaced by about 0.2 s in an aqueous matrix, but the maxima coincided in NaCl matrices. In addition, integrated emission intensities of the more difficult to excite Zn II species increased with an earlier appearance time. The changes in peak profiles and relative intensities are due to redistribution in the proportion of Zn atoms and Zn ions in the vaporized Zn population. The effects of the appearance time of Zn were further demonstrated using different sample probe insertion speeds to change the appearance time of the analyte relative to the background drop.en_HK
dc.languageengen_HK
dc.publisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/jaasen_HK
dc.relation.ispartofJournal of Analytical Atomic Spectrometryen_HK
dc.titleEffects of analyte appearance time on relative atomic and ionic emission intensities of Zn in direct sample insertion inductively coupled plasma atomic emission spectrometryen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0267-9477&volume=16&spage=648&epage=651&date=2001&atitle=Effects+of+analyte+appearance+time+on+relative+atomic+and+ionic+emission+intensities+of+Zn+in+direct+sample+insertion+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.doi10.1039/b100066gen_HK
dc.identifier.scopuseid_2-s2.0-0034743051en_HK
dc.identifier.hkuros58799en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034743051&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume16en_HK
dc.identifier.issue6en_HK
dc.identifier.spage648en_HK
dc.identifier.epage651en_HK
dc.identifier.isiWOS:000169497700020-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridChan, GCY=7202355292en_HK
dc.identifier.scopusauthoridFan, MN=7201970980en_HK
dc.identifier.scopusauthoridChan, WT=7403918827en_HK

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