Determination and Dynamics of Ethylicin Residues in Cotton-Field Ecosystem
文献类型: 外文期刊
第一作者: Chen, Zilei
作者: Chen, Zilei;Zhang, Hong;Ding, Ruiyan;Wang, Wenzheng;Wang, Wenbo;Li, Huidong
作者机构:
关键词: Ethylicin;Dynamics;Residues;Cotton field
期刊名称:BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY ( 影响因子:2.151; 五年影响因子:2.129 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: In this work, we developed an efficient method to determine the ethylicin content in soil, cotton plant and cotton seed, and we also studied the fate of ethylicin in the cotton field ecosystem. The residual ethylicin was analyzed by GC-ECD. The limit of quantification was 0.005 mg/kg for soil, 0.01 mg/kg for the plant and cotton seed. The kinetics study of ethylicin residue showed that the ethylicin concentration in plant and soil can be regressively quantified as C = 1.0762e(-0.2529t) and C = 0.5535e(-0.1333t), representing a half-live of 2.7 and 5.2 days, respectively. As a conclusion, a dosage of 354 g a.i. ha(-1) was recommended, which could be considered as safe to human beings and animals.
分类号: R99
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