Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/1660
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dc.contributor.authorNolan, A.-
dc.contributor.authorMa, Y.-
dc.contributor.authorLombi, E.-
dc.contributor.authorMcLaughlin, M.-
dc.date.issued2004-
dc.identifier.citationAnalytical and Bioanalytical Chemistry, 2004; 380(5-6):789-797-
dc.identifier.issn1618-2642-
dc.identifier.issn1618-2650-
dc.identifier.urihttp://hdl.handle.net/2440/1660-
dc.description.abstractIsotope dilution is a useful technique to measure the labile metal pool, which is the amount of metal in soil in rapid equilibrium (<7 days) with the soil solution. This is normally performed by equilibrating soil with a metal isotope, and sampling the labile metal pool by using an extraction (E value), or by growing plants (L value). For Cu, this procedure is problematic for E values, and impossible for L values, due to the short half-life of the 64Cu radioisotope (12.4 h), which makes access and handling very difficult. We therefore developed a technique using enriched 65Cu stable isotope and measurement of 63Cu/65Cu ratios by quadrupole inductively coupled plasma mass spectrometry (ICP-MS) to measure labile pools of Cu in soils using E value techniques. Mass spectral interferences in detection of 63Cu/65Cu ratios in soil extracts were found to be minimal. Isotope ratios determined by quadrupole ICP-MS compared well to those determined by high-resolution (magnetic sector) ICP-MS. E values determined using the stable isotope technique compared well to those determined using the radioisotope for both uncontaminated and Cu-contaminated soils.-
dc.description.statementofresponsibilityAnnette L. Nolan, Yibing Ma, Enzo Lombi and Mike J. McLaughlin-
dc.language.isoen-
dc.publisherSpringer-Verlag-
dc.rights© 2004 Springer, Part of Springer Science+Business Media-
dc.source.urihttp://dx.doi.org/10.1007/s00216-004-2816-6-
dc.subjectSoil-
dc.subjectcopper-
dc.subjectlabile pool-
dc.subjectisotope dilution-
dc.subjectisotope ratios-
dc.subjectICP-MS-
dc.titleMeasurement of labile Cu in soil using stable isotope dilution and isotope ratio analysis by ICP-MS-
dc.typeJournal article-
dc.identifier.doi10.1007/s00216-004-2816-6-
pubs.publication-statusPublished-
dc.identifier.orcidMcLaughlin, M. [0000-0001-6796-4144]-
Appears in Collections:Aurora harvest 2
Earth and Environmental Sciences publications
Environment Institute publications

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