Toxics, Journal Year: 2025, Volume and Issue: 13(3), P. 219 - 219

Published: March 17, 2025

Understanding the dynamics of sorption and desorption is essential for assessing persistence mobility pesticides. These processes continue to influence ecological outcomes even after pesticide use has ended, as demonstrated by our study on dimethoate behavior in distinct soil samples from Croatia, including coastal, lowland, mountainous regions. This focuses sorption/desorption soil, explores relationship between its molecular structure properties organic inorganic matter, evaluates mechanisms process. The was analyzed using a batch method, results were modeled nonlinear equilibrium models: Freundlich, Langmuir, Temkin models. Soils with higher matter content, especially total carbon (TOC), showed better capacity compared soils lower TOC. probably due less flexible structures glassy phase, which, unlike rubbery phase high TOC soils, do not allow dynamic binding within matter. differences H/C O/C ratios indicate that aliphatic compounds, typical retain more effectively, whereas content oxygen-containing functional groups low provides strong association. lettered stronger retention through interactions clay minerals metal cations such Mg2+, suggesting plays significantly important role enhancing than highlight importance clay, ions indicating need remediation methods those pesticides that, although banned, have had long history use.

Language: Английский