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https://hdl.handle.net/2440/23677
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Type: | Journal article |
Title: | Stable isotope techniques for assessing labile Cu in soils: Development of an L-value procedure, its application, and reconciliation with E values |
Author: | Oliver, I. Ma, Y. Lombi, E. Nolan, A. McLaughlin, M. |
Citation: | Environmental Science and Technology (Washington), 2006; 40(10):3342-3348 |
Publisher: | Amer Chemical Soc |
Issue Date: | 2006 |
ISSN: | 0013-936X 1520-5851 |
Statement of Responsibility: | Ian W. Oliver, Yibing Ma, Enzo Lombi, Annette L. Nolan, and Mike J. McLaughlin |
Abstract: | Isotopic techniques have become a valuable tool for assessing the lability or potential availability of elements in soil. Until now, work on soil Cu has been limited to E-value methods where soil solution extracts are obtained by physical means due to the very short (12.4 h) half-life of the radio isotope 64Cu. However, a stable isotope method has recently been developed for determining soil Cu E values that utilizes enhancement of the 65Cu isotope in soil and measurement of the subsequent ratio with 63Cu. We have developed an L-value technique for soil Cu, where plants are used to sample the soil solution and therefore give a direct measure of the plant available Cu. The L-value technique developed was then compared, and found to be equivalent, with E values using equilibration periods up to and including the growth period of plants in the L-value method. |
Keywords: | Copper Isotopes Soil Soil Pollutants Water Pollutants Radioisotope Dilution Technique Environmental Monitoring Kinetics Half-Life |
Description: | Publication Date (Web): April 6, 2006 |
Rights: | Copyright © 2002 American Chemical Society |
DOI: | 10.1021/es051845j |
Published version: | http://pubs.acs.org/cgi-bin/abstract.cgi/esthag/2006/40/i10/abs/es051845j.html |
Appears in Collections: | Aurora harvest 6 Earth and Environmental Sciences publications Environment Institute publications |
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