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Effect of methanol addition on generation of isobaric polyatomic ions in the analysis of arsenic with ICP-MS

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dc.contributor.authorAn, Jinsung-
dc.contributor.authorLee, Hosub-
dc.contributor.authorNam, Kyoung Phile-
dc.contributor.authorYoon, Hye-On-
dc.date.accessioned2024-08-08T01:34:43Z-
dc.date.available2024-08-08T01:34:43Z-
dc.date.created2018-08-14-
dc.date.created2018-08-14-
dc.date.issued2017-03-
dc.identifier.citationMicrochemical Journal, Vol.131, pp.170-173-
dc.identifier.issn0026-265X-
dc.identifier.urihttps://hdl.handle.net/10371/206750-
dc.description.abstractIn the analysis of arsenic (As) with ICP-MS, it was observed that methanol addition to the sample decreases the amount of (ArCl+)-Ar-40-Cl-35 formed in the previous study. To investigate the effect of methanol addition on generation of isobaric polyatomic ions and its mechanism, a diluted HG solution and As solutions with varying concentrations of methanol (0, 1, 2, 3, and 4 v/v%) were analyzed using ICP-MS at a variety of mass spectra (m/z = 35, 47, 75, 82, 117, and 152). With addition of methanol to the sample, the signal intensity of (CCl+)-C-12-Cl-35 increased 11.1-fold while that of (ArCl+)-Ar-40-Cl-35 only increased 1.17-fold. In this regard, carbon atoms that are not ionized in the plasma (C-12) originated from methanol seemed to convert (ArCl+)-Ar-40-Cl-35 to (CCl+)-C-12-Cl-35 through the substitution reaction. Furthermore, carbon atoms ionized in the plasma (C-12(+)) converted As-75 into As-75(+) via the charge transfer reaction and thus increased signal intensity for As. At the same time, the amount of (ArCl+)-Ar-40-Cl-35 formed in the plasma decreased since the C-12 regenerated from C-12(+) during the charge transfer process can act as a reactant in the substitution reaction aforementioned. (C) 2016 Elsevier B.V. All rights reserved.-
dc.language영어-
dc.publisherElsevier BV-
dc.titleEffect of methanol addition on generation of isobaric polyatomic ions in the analysis of arsenic with ICP-MS-
dc.typeArticle-
dc.identifier.doi10.1016/j.microc.2016.12.001-
dc.citation.journaltitleMicrochemical Journal-
dc.identifier.wosid000393009900022-
dc.identifier.scopusid2-s2.0-85008712537-
dc.citation.endpage173-
dc.citation.startpage170-
dc.citation.volume131-
dc.description.isOpenAccessN-
dc.contributor.affiliatedAuthorNam, Kyoung Phile-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.subject.keywordPlusCOLLISION-REACTION INTERFACE-
dc.subject.keywordPlusPLASMA-MASS SPECTROMETRY-
dc.subject.keywordPlusINTERFERENCES-
dc.subject.keywordPlusSPECIATION-
dc.subject.keywordPlusREMOVAL-
dc.subject.keywordPlusWATERS-
dc.subject.keywordAuthorIsobaric polyatomic ions-
dc.subject.keywordAuthor(ArCl+)-Ar-40-Cl-35-
dc.subject.keywordAuthorICP-MS-
dc.subject.keywordAuthorMethanol addition-
dc.subject.keywordAuthorArsenic-
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  • College of Engineering
  • Department of Civil & Environmental Engineering
Research Area 지하수 및 토양오염, 환경공학

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