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 Wysłany: Pią 14:08, 31 Gru 2010 Temat postu: puma shoes Acetochlor in the soil adsorption _1242 |
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Acetochlor in the soil adsorption
ndlich from fitting equation to fit the correlation coefficient and adsorption properties that meet Freundilich acetochlor equation,[link widoczny dla zalogowanych], the equation for the test can reflect the adsorption of pesticides in the soil studied. Garbage dump, vegetable and pond scum to the adsorption coefficients of acetochlor were 1.9373,1.7103,1.6199; show that the adsorption of acetochlor to soil physical adsorption. According to the equilibrium concentration of e with the soil for absorption curve with the initial concentration, can be calculated given: t soil the acetochlor concentration and the adsorption at this concentration. Leaching of acetochlor in the soil and groundwater pollution of the dangers yet to be studied further. 【2】 (3】 【413 discussions iv This study showed that the adsorption capacity of the soil on the size of pesticides, the main physical and chemical properties of soil and pesticide related to the nature itself, which affect soil organic matter content is an important factor in the adsorption of pesticides. Organic high, the adsorption ability, organic matter content of the landfill and the pond scum to higher vegetable, so dump acetochlor adsorption capacity of soil to vegetable land and pond scum over land. the value obtained by dividing the organic matter content KoM, organic matter content per unit absorption coefficients corresponding,[link widoczny dla zalogowanych], KoM the size of the addition of soil organic matter may reflect other factors in addition to the pesticide adsorption conditions,[link widoczny dla zalogowanych], such as the hydrophobic properties of pesticides, soil pH, and so on. in accordance with the classification method ¨ Caidao Ji Chuan, should belong to the soil can be acetochlor adsorption,[link widoczny dla zalogowanych], and physical adsorption.
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