Bioavailability of 2,4-D sorbed to a chlorite-like complex

McGhee, Ilona and Sannino, F. and Gianfreda, L. and Burns, Richard G. (1999) Bioavailability of 2,4-D sorbed to a chlorite-like complex. In: 13th International Symposium on Environmental Biogeochemistry (ISEB). Pergamon-Elsevier Science Ltd, Oxford, England pp. 285-291. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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An Al(OH)(x)-montmorillonite (chlorite) complex (AM(18)) was prepared and 2,4-dichlorophenoxyacetic acid (2,4-D) sorbed to saturation. After several washing cycles the 'strongly sorbed' 2,4-D was 507 mu g g(-1) AM(18). The bioavailability of sorbed 2,4-D was assessed in a minimal salts medium with the AM(18) - 2,4-D as the sole C and energy source. Over a 28-day period a Pseudomonas sp. degraded 23% more of the sorbed 2,4-D than could be accounted for by desorption from AM(18) in the non-inoculated controls. Possible explanations for the increase in bioavailability are presented.

Item Type: Conference or workshop item (Paper)
Subjects: Q Science > Q Science (General)
Divisions: Faculties > Social Sciences > School of Anthropology and Conservation
Depositing User: I.T. Ekpo
Date Deposited: 21 Jun 2009 17:51
Last Modified: 15 Jul 2014 09:12
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