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https://hdl.handle.net/2440/1660
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dc.contributor.author | Nolan, A. | - |
dc.contributor.author | Ma, Y. | - |
dc.contributor.author | Lombi, E. | - |
dc.contributor.author | McLaughlin, M. | - |
dc.date.issued | 2004 | - |
dc.identifier.citation | Analytical and Bioanalytical Chemistry, 2004; 380(5-6):789-797 | - |
dc.identifier.issn | 1618-2642 | - |
dc.identifier.issn | 1618-2650 | - |
dc.identifier.uri | http://hdl.handle.net/2440/1660 | - |
dc.description.abstract | Isotope 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.statementofresponsibility | Annette L. Nolan, Yibing Ma, Enzo Lombi and Mike J. McLaughlin | - |
dc.language.iso | en | - |
dc.publisher | Springer-Verlag | - |
dc.rights | © 2004 Springer, Part of Springer Science+Business Media | - |
dc.source.uri | http://dx.doi.org/10.1007/s00216-004-2816-6 | - |
dc.subject | Soil | - |
dc.subject | copper | - |
dc.subject | labile pool | - |
dc.subject | isotope dilution | - |
dc.subject | isotope ratios | - |
dc.subject | ICP-MS | - |
dc.title | Measurement of labile Cu in soil using stable isotope dilution and isotope ratio analysis by ICP-MS | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1007/s00216-004-2816-6 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | McLaughlin, M. [0000-0001-6796-4144] | - |
Appears in Collections: | Aurora harvest 2 Earth and Environmental Sciences publications Environment Institute publications |
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