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• Ríos, S
• Katusich, O
• Nudelman, N
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• Nudelman, N
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• Katusich, O
• Nudelman, N

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Molecules 2000, 5(3), 340-341; doi:10.3390/50300340

Article

Organic Cosolvent Effect on the Estimation of the Solubility of Oil Residues in Soil

S. Ríos ^1,* , O. Katusich ¹  and N. Nudelman ^2,*

¹ Department of Chemistry. Universidad Nacional de la Patagonia San Juan Bosco. Ciudad Universitaria km4. Comodoro Rivadavia. (9004) Chubut, Argentina ² Department of Organic Chemistry, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Pab II. Ciudad Universitaria. 1428 Buenos Aires, Argentina

* Authors to whom correspondence should be addressed.

Published: 22 March 2000

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Abstract: The solubility in water and the partition coefficients, K, in soils samples of residues of petroleum of different ages were determined using an organic cosolvent (methanol), and the solvophobic theory was applied for the interpretation of results. The behavior of the residuals turned out to be dependent of the cosolvent fraction. The values of K’s vary among 900 (Lkg^-1) and 2,900 (Lkg^-1) showing a general and marked increase for residues of increasing age. The determined parameters are useful for the modeling of environmental impact in polluted soils.

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