Experiments and modeling to quantify irreversibility of pesticide sorption-desorption in soil
Pesticide sorption behavior is a complex process. The importance of extremely slow retention and release has superseded the notion that sorption of pesticides to soil is an instantaneous and reversible process. A fraction of sorbed pesticide is also often reported to bind irreversibly to the soil matrix. Irreversible sorption has potentially significant implications for reducing pesticide mobility and bioavailability. However, an accepted experimental method with the ability to quantify irreversible sorption does not exist due to procedural difficulties in identifying slowly reversible and irreversible fractions relevant at the field scale. Use of isotopes, generally 14C, is a promising means of quantifying irreversible sorption and providing crucial parameters and data for pesticide fate modeling.
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American Chemical Society
2014
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| Online Access: | http://hdl.handle.net/10261/116321 |
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dig-irnas-es-10261-1163212018-09-10T10:28:51Z Experiments and modeling to quantify irreversibility of pesticide sorption-desorption in soil Suddaby, L. A. Beulke, S. Beinum, W. van Oliver R. Kuet S. Celis, R. Koskinen, W. C. Brown, Colin D. Pesticide sorption behavior is a complex process. The importance of extremely slow retention and release has superseded the notion that sorption of pesticides to soil is an instantaneous and reversible process. A fraction of sorbed pesticide is also often reported to bind irreversibly to the soil matrix. Irreversible sorption has potentially significant implications for reducing pesticide mobility and bioavailability. However, an accepted experimental method with the ability to quantify irreversible sorption does not exist due to procedural difficulties in identifying slowly reversible and irreversible fractions relevant at the field scale. Use of isotopes, generally 14C, is a promising means of quantifying irreversible sorption and providing crucial parameters and data for pesticide fate modeling. Peer Reviewed 2015-06-09T12:22:33Z 2015-06-09T12:22:33Z 2014 2015-06-09T12:22:33Z capítulo de libro http://purl.org/coar/resource_type/c_3248 doi: 10.1021/bk-2014-1174.ch011 isbn: 9780841229792 Non-First Order Degradation and Time-Dependent Sorption of Organic Chemicals in Soil: 199- 219 (2014) http://hdl.handle.net/10261/116321 10.1021/bk-2014-1174.ch011 ACS Symposium Series, Vol. 1174 http://dx.doi.org/10.1021/bk-2014-1174.ch011 none American Chemical Society |
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Pesticide sorption behavior is a complex process. The importance of extremely slow retention and release has superseded the notion that sorption of pesticides to soil is an instantaneous and reversible process. A fraction of sorbed pesticide is also often reported to bind irreversibly to the soil matrix. Irreversible sorption has potentially significant implications for reducing pesticide mobility and bioavailability. However, an accepted experimental method with the ability to quantify irreversible sorption does not exist due to procedural difficulties in identifying slowly reversible and irreversible fractions relevant at the field scale. Use of isotopes, generally 14C, is a promising means of quantifying irreversible sorption and providing crucial parameters and data for pesticide fate modeling. |
| format |
capítulo de libro |
| author |
Suddaby, L. A. Beulke, S. Beinum, W. van Oliver R. Kuet S. Celis, R. Koskinen, W. C. Brown, Colin D. |
| spellingShingle |
Suddaby, L. A. Beulke, S. Beinum, W. van Oliver R. Kuet S. Celis, R. Koskinen, W. C. Brown, Colin D. Experiments and modeling to quantify irreversibility of pesticide sorption-desorption in soil |
| author_facet |
Suddaby, L. A. Beulke, S. Beinum, W. van Oliver R. Kuet S. Celis, R. Koskinen, W. C. Brown, Colin D. |
| author_sort |
Suddaby, L. A. |
| title |
Experiments and modeling to quantify irreversibility of pesticide sorption-desorption in soil |
| title_short |
Experiments and modeling to quantify irreversibility of pesticide sorption-desorption in soil |
| title_full |
Experiments and modeling to quantify irreversibility of pesticide sorption-desorption in soil |
| title_fullStr |
Experiments and modeling to quantify irreversibility of pesticide sorption-desorption in soil |
| title_full_unstemmed |
Experiments and modeling to quantify irreversibility of pesticide sorption-desorption in soil |
| title_sort |
experiments and modeling to quantify irreversibility of pesticide sorption-desorption in soil |
| publisher |
American Chemical Society |
| publishDate |
2014 |
| url |
http://hdl.handle.net/10261/116321 |
| work_keys_str_mv |
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| _version_ |
1777664797096017920 |