CAS RN:141-66-2

Soil Adsorption / Mobility

Dicrotophos was found to have intermediate soil mobility as determined by soil thin-layer chromatography (TLC) and adsorption-desorption studies(1). Freundlich absorption constants for Georgia sandy soil, Handford sandy loam, Catlin silty loam, and Sharkey clay loam were 0.07, 0.40, 0.92, and 3.58, respectively(1). These correspond to Koc values of 16, 53, 43, and 188, respectively(2). According to a classification scheme(3), these Koc values suggest that dicrotophos is expected to have very high to moderate mobility in soil. A mean Kd of 1.01 in six soils was also reported(4).
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