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. 1981 Mar;41(3):603-9.
doi: 10.1128/aem.41.3.603-609.1981.

Second-order model to predict microbial degradation of organic compounds in natural waters

D F Paris  1 , W C Steen, G L Baughman, J T Barnett
Affiliations

Second-order model to predict microbial degradation of organic compounds in natural waters

D F Paris et al. Appl Environ Microbiol. 1981 Mar.

Abstract

The reliability of second-order rate constants for assessing microbial degradation kinetics in natural waters was examined by using three compounds that undergo hydrolytic degradation. The butoxyethyl ester of 2,4-dichlorophenoxyacetic acid was studied in water samples from 31 sites, malathion was examined in water from 14 sites, and chlorpropham was studied in samples from 11 sites. The coefficient of variation for rate constants for each compound was less than 65% over all sites. Additional studies indicated that the rate conformed to second-order kinetics; that is, the rate was proportional to both bacterial and xenobiotic concentrations.

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References

    1. Appl Microbiol. 1965 May;13:443-6 - PubMed
    1. J Agric Food Chem. 1970 May-Jun;18(3):542-3 - PubMed

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