Microbial isotopic fractionation of perchlorate chlorine
Coleman, M. L., Ader, M., Chaudhuri, S. and Coates, J. D. (2003) Microbial isotopic fractionation of perchlorate chlorine. Applied and Environmental Microbiology, 69 (8). pp. 4997-5000. ISSN 0099-2240
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To link to this article DOI: 10.1128/AEM.69.8.4997-5000.2003
Perchlorate contamination can be microbially respired to innocuous chloride and thus can be treated effectively. However, monitoring a bioremediative strategy is often difficult due to the complexities of environmental samples. Here we demonstrate that microbial respiration of perchlorate results in a significant fractionation (similar to - 15parts per thousand) of the chlorine stable isotope composition of perchlorate. This can be used to quantify the extent of biotic degradation and to separate biotic from abiotic attenuation of this contaminant.
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