Paper Title:
Adsorption of Chlorimuron-Ethyl on Two Typical Chinese Soils as Affected by Cd
  Abstract

Coexistence of chlorimuron-ethyl and Cd is very common in Chinese soils. Adsorption of chlorimuron-ethyl and Cd on soils strongly affects their mobility. This study was conducted to investigate the effect of Cd on the adsorption of chlorimuron-ethyl on two typical Chinese soils, brown earth (BE) and black soil (BS). Batch equilibration methods were applied. The presence of Cd enhanced the adsorption of chlorimuron-ethyl on BE and BS, which resulted from the decrease of equilibrium solution pH caused by Cd2+ exchange with H+ ions of soil surface. Besides that, chlorimuron-ethyl adsorption possibly takes place on sites where Cd was previously adsorbed and the adsorbed Cd acted as a bridge between the soil and chlorimuron-ethyl. Such results suggested that Cd in field may decrease the mobility and bioavailability of chlorimuron-ethyl and correspondingly decrease its environmental risk.

  Info
Periodical
Edited by
Zhenyu Du and Chengbin Li
Pages
296-300
DOI
10.4028/www.scientific.net/AMR.281.296
Citation
X. R. Qu, "Adsorption of Chlorimuron-Ethyl on Two Typical Chinese Soils as Affected by Cd", Advanced Materials Research, Vol. 281, pp. 296-300, 2011
Online since
July 2011
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Price
$32.00
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