Molecular Structure and Herbicide Adsorption

Sorption of organophosphorus and carbamate insecticides by soil

“…Factors Influencing Sorption Phenomena White (1964, 1970) and Adams (1973) (Leopold et al 1960) or with partition coefficient (Ward and Holly 1966;Briggs 1969). Also, molecular structure as measured by parachor (molar volume) can be directly correlated with adsorption (Lambert 1967 ;Hance 1969).…”

Adsorption of Organic Compounds

“…Consequently, there were some studies [31,62] on the removal of these compounds by various treatment processes. One such study involved carbon removal of 2,4-D and 17 of its chlorinated derivatives from water [62]. Efficiencies ranged from 8 to 70% removal of a 10" 4 M concentration of the herbicides.…”

Residue Reviews / Rückstands-Berichte

“…Additional halogens in a molecule generally increase its lipophilic characteristics, which should theoretically enhance cuticular absorption. As an indicator of relative adsorption of phenoxyacetic acids within plant tissue or on soil particles LEOPOLD et al (1960) investigated adsorption of some 17 of these compounds onto carbon. They found adsorption to be generally proportional to the number of chlorine substitutions in the phenyl ring and observed a strong inverse correlation between adsorption and water solubility.…”