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Separation of chromium(III) and chromium(VI) by reversed-phase ion-pairing chromatography

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dc.abstract.enThe separation of Cr(III) and Cr(VI) by reversed-phase ion pairing liquid chromatography for a specific purpose has been investigated. Chromium(III) was chelated with EDTA at pH = 6.0 prior to analysis. The mobile phase (pH = 6.0) consisted of a 0.32 mmol L–1 EDTA and 0.83 mmol L–1 tetrabutylammonium hydroxide. The method showed that Cr(III) and Cr(VI) were effectively separated at low mobile phase flow rate which is suitable for a future experiment design of isotopic ratio measurements. The most difficult task was not only to ensure the effective separation but also to avoid any possible inter-conversion between two chromium forms. For a better detection of chromium species, the chromatographic system was coupled with a typical quadrupole inductively coupled plasma mass spectrometry.
dc.affiliationUniwersytet Warszawski
dc.conference.countryCzechy
dc.conference.datefinish2018-09-21
dc.conference.datestart2018-09-20
dc.conference.placePraga
dc.conference.seriesInternational Students Conference "Modern Analytical Chemistry"
dc.conference.seriesInternational Students Conference "Modern Analytical Chemistry"
dc.conference.seriesweblinkhttps://web.natur.cuni.cz/analchem/isc-mac/
dc.conference.shortcut14th International Students Conference Modern Analytical Chemistry
dc.conference.weblinkhttp://web.natur.cuni.cz/analchem/isc/isc14.pdf
dc.contributor.authorHalicz, Ludwik
dc.contributor.authorNguyen-Marcińczyk, Cuc Thi
dc.contributor.authorWojciechowski, Marcin
dc.contributor.authorBulska, Ewa
dc.contributor.authorKarasiński, Jakub
dc.contributor.authorKrata, Agnieszka
dc.date.accessioned2024-01-26T07:31:55Z
dc.date.available2024-01-26T07:31:55Z
dc.date.issued2018
dc.description.financeNie dotyczy
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/119645
dc.identifier.weblinkhttp://web.natur.cuni.cz/analchem/isc/isc14.pdf
dc.languageeng
dc.pbn.affiliationchemical sciences
dc.relation.pages19-24
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.subject.enchelation
dc.subject.enchromium
dc.subject.enRPIP HPLC
dc.subject.enreduction
dc.titleSeparation of chromium(III) and chromium(VI) by reversed-phase ion-pairing chromatography
dc.typeJournalArticle
dspace.entity.typePublication