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The adsorption and desorption of carbendazim and cadmium (Cd) in soils (burozem and phaeozem) typically distributed in northeastern China were investigated at two different temperatures, 25 and 40°C. The effects of interaction between carbendazim and Cd on their adsorption and desorption were also discussed. The results showed that the adsorption of carbendazim was exothermic with ΔH Θ values...
Cadmium is perhaps environmentally the most significant heavy metal in soils. Bioavailability, remobilization and fate of Cd entering in soils are usually controlled by adsorption–desorption reactions on Fe oxides. Adsorption of Cd on soil colloids including Fe oxides has been extensively studied but Cd desorption from such soil minerals has received relatively little attention. Some factors that...
The reactivity of dimethylcadmium (DMCd) on GaAs(100) and CdTe(100) was investigated by temperature-programmed desorption. DMCd decomposed on GaAs(100) yielding methyl groups that reacted with Ga atoms to form adsorbed alkylgallium complexes. These complexes desorbed in the temperature range 200-550 K. DMCd on the other hand, desorbed molecularly from CdTe(100) at ∼280 K, which indicates that DMCd...
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