Adsorption of Diazinon on Humic Substances in Submerged Soil

담수토양중 부식물질에 대한 diazinon의 흡착

  • Song, Jae-Young (Central Research Institute, Han-Nong Coporation) ;
  • Lee, Kyu-Seung (Department of Agricultural Chemistry, Chungnam National University)
  • 송재영 ((주)한농 중앙연구소) ;
  • 이규승 (충남대학교 농과대학 농화학과)
  • Published : 1993.04.30

Abstract

In order to find the effect of humic substances affecting to the behavior of diazinon in submerged soil, the adsorption rate of diazinon was investigated with different soil humic substances like as humin, humic acid and fulvic acid. The adsorption rate of diazinon(1.8 ppm) was 12.4% in humin, 11.9% in fulvic acid and 10.4% in humic acid at 1% concentration of humic substances, also were not much differences at 0.1 and 0.5%. But it showed much similar level ($10.2{\sim}10.6%$) at 1.0% concentration in 5ppm diazinon treatment. As a result, because adsorption rate of diazinon on humic substances were about $10{\sim}12%$, disappearance of diazinon in submerged soil may be affected by the other factors such as soil microorganism.

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