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Sorption and leaching behaviour of polar aromatic acids in agricultural soils by batch and column leaching tests

Celis, R ; Real, M ; Hermosin, M.C ; Cornejo, J

European journal of soil science, 2005-06, Vol.56 (3), p.287-297 [Periódico revisado por pares]

Oxford: Blackwell Science

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Título:
Sorption and leaching behaviour of polar aromatic acids in agricultural soils by batch and column leaching tests
Autor: Celis, R ; Real, M ; Hermosin, M.C ; Cornejo, J
Assuntos: agricultural soils ; Agronomy. Soil science and plant productions ; Applied sciences ; aromatic acids ; Biological and medical sciences ; Biological and physicochemical properties of pollutants. Interaction in the soil ; Earth sciences ; Earth, ocean, space ; Engineering and environment geology. Geothermics ; Exact sciences and technology ; Fundamental and applied biological sciences. Psychology ; Groundwaters ; leaching ; Natural water pollution ; phthalic acid ; physicochemical properties ; picloram ; pollutants ; Pollution ; Pollution, environment geology ; salicylic acid ; Soil and sediments pollution ; Soil and water pollution ; Soil science ; soil types ; sorption ; Water treatment and pollution
É parte de: European journal of soil science, 2005-06, Vol.56 (3), p.287-297
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: The behavior of aromatic compounds contaminating agricultural soils was studied for the case of three aromatic acids (picloram, phthalic acid, and salicylic acid) in four European soils with different physicochemical characteristics. Batch experiments showed that the percloram was most persistent in soil:water suspensions, while salicylic acid was least persistent. The dissipation curves were not dependent on soil type. Sorption onto soil, the clay size fractions, and model sorbents suggest that soil constituents have a much greater affinity for salicylic acid than for picloram or phthalic acid, probably due to salicylic acid ability to form bidentate complexes with positively charged components. Column leaching experiments showed the most leaching with picloram and the least with salicylic acid. Leaching patterns of the phthalic and salicylic acids seemed to be affected by organic carbon, small-size pore density, and initial acid concentration in the soil. The sorption and leaching of these polar aromatic acids in soil can vary widely depending on compound structural characteristics or soil type.
Editor: Oxford: Blackwell Science
Idioma: Inglês

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Sorption and leaching behaviour of polar aromatic acids in agricultural soils by batch and column leaching tests

Celis, R ; Real, M ; Hermosin, M.C ; Cornejo, J

Oxford: Blackwell Science

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