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Reliable Ultra Trace Analysis of Cd, U and Zn Concentrations in Greenland Snow and Ice by Using Ultraclean Methods for Contamination Control

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dc.contributor.authorHan, Changhee-
dc.contributor.authorHwang, Heejin-
dc.contributor.authorKang, Jung-Ho-
dc.contributor.authorHong, Sang-Bum-
dc.contributor.authorHan, Yeongcheol-
dc.contributor.authorLee, Khanghyun-
dc.contributor.authorHur, Soon Do-
dc.contributor.authorHong, Sungmin-
dc.date.accessioned2021-05-04T07:34:31Z-
dc.date.available2021-05-04T07:34:31Z-
dc.date.issued2020-06-
dc.identifier.urihttps://repository.kopri.re.kr/handle/201206/11820-
dc.description.abstractThis study presents ultraclean procedures used in the challenging task of determining trace elements at or below the pg/g concentration level encountered in Greenland snow and ice. In order to validate these ultraclean procedures, recent snowfall and Holocene ice from northwest Greenland were analyzed for Cd, U, and Zn concentrations. The total procedural blanks brought through the entire measurement procedure proved to be negligible, compared to trace element concentrations, measured in snow and ice samples. This validates the overall practicality of the proposed ultraclean procedures, thereby ensuring the reliable measurements of ultra-trace analysis. A comparison between our study and published data shows that improper procedures employed throughout all stages, from field sampling to analysis to elevate the concentrations by several orders of magnitude, relative to the reliable concentration ranges. The risk of contamination exposure for selected trace elements appears to increase in the order of U < As <less than or equal to> Pb < Cd < Zn. Reliable measurements of Cd, U, and Zn concentrations in snow and ice allowed us to interpret the data in terms of seasonal variations in the inputs of crustal and anthropogenic sources to Greenland ice sheet.en_US
dc.languageEnglishen_US
dc.language.isoen_USen_US
dc.subjectBiochemistry & Molecular Biologyen_US
dc.subjectChemistryen_US
dc.subject.classification해당사항없음en_US
dc.titleReliable Ultra Trace Analysis of Cd, U and Zn Concentrations in Greenland Snow and Ice by Using Ultraclean Methods for Contamination Controlen_US
dc.title.alternative청정실험절차를 활용한 그린란드 눈·얼음 내 Cd, U, Zn 농도 분석en_US
dc.typeArticleen_US
dc.identifier.bibliographicCitationHan, Changhee, et al. 2020. "Reliable Ultra Trace Analysis of Cd, U and Zn Concentrations in Greenland Snow and Ice by Using Ultraclean Methods for Contamination Control". <em>MOLECULES</em>, 25(11): 2519-2534.en_US
dc.citation.titleMOLECULESen_US
dc.citation.volume25en_US
dc.citation.number11en_US
dc.identifier.doi10.3390/molecules25112519-
dc.citation.startPage2519en_US
dc.citation.endPage2534en_US
dc.description.articleClassificationSCIE-
dc.description.jcrRateJCR 2018:38.953en_US
dc.subject.keywordultraclean procedureen_US
dc.subject.keywordultralow trace elementsen_US
dc.subject.keywordcontaminationen_US
dc.subject.keywordGreenland snow and iceen_US
dc.subject.keywordseasonal variationsen_US
dc.subject.keywordanthropogenic inputsen_US
dc.identifier.localId2020-0185-
dc.identifier.scopusid2-s2.0-85085678082-
dc.identifier.wosid000553858800056-
Appears in Collections  
2020-2020, Investigating anthropogenic and natural characteristics of atmosphere-ice sheet exchanges using the international deep ice coring network (20-20) / Kang, Jung-Ho (PE20190)
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