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X-ray Photoelectron Spectroscopy Study of Double Comb Shape Copolymer on Atrazine Particles Surface

文献类型: 外文期刊

作者: Xu Yan 1 ; Sun Bao-Li 2 ; Ma Chao 1 ; Liu Dan 1 ; Cai Meng-Ling 1 ; Wu Xue-Min 1 ;

作者机构: 1.China Agr Univ, Dept Appl Chem, Key Lab Pesticide Chem & Applicat, Minist Agr, Beijing 100193, Peoples R China

2.Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Beijing 100081, Peoples R China

关键词: X-ray photoelectron spectroscopy;Atrazine;Double comb-shaped copolymer;Adsorption

期刊名称:CHINESE JOURNAL OF ANALYTICAL CHEMISTRY ( 影响因子:1.134; 五年影响因子:0.909 )

ISSN: 0253-3820

年卷期: 2011 年 39 卷 9 期

页码:

收录情况: SCI

摘要: The electron state of adsorption of double comb shape copolymer on the surface of atrazine particles was observed with X-ray photoelectron spectroscopy and the adsorption layer thickness was also calculated. After the adsorption, the absorption strength of N 1s and Cl 2p on the interface of atrazine particles decreased sharply and the absorption peak of Cl 2s almost diminished. Because of the contribution of C and O in the dispersant, the absorption strength of C 1s and O 1s on the interface increased. Moreover, the dispersant formed an adsorption membrane coating the atrazine particles thoroughly, whose thickness is 14, 98 nm. This report expands the application field of X-ray photoelectron spectroscopy and it also plays significant role in the theory of atrazine suspension concentrate stability.

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