农药保棉磷、敌草隆、莠去津和扑草净在土壤中不可逆吸附研究

被引：6

作者：

马立新

陈吉平

郭荣波

倪余文

梁鑫淼

机构：

[1] 中国科学院大连化学物理研究所

[2] 中国科学院大连化学物理研究所辽宁大连

来源：

精细化工 | 2004年 / 06期

关键词：

农药; 土壤柱液相色谱; 多级吸附/脱附; 不可逆吸附; 土壤;

D O I：

10.13550/j.jxhg.2004.06.016

中图分类号：

TQ450.2 [生物活性测定与安全性评价];

学科分类号：

090403 ;

摘要：

利用土壤柱液相色谱多级吸附/脱附法研究了保棉磷、敌草隆、莠去津和扑草净在土壤中的不可逆吸附及其影响因素。莠去津、敌草隆、保棉磷和扑草净在每克德国Kaldenkirchen砂土中的不可逆吸附量分别为1 272,5 084,1 964和1 728μg。保棉磷在3#欧洲标准土和Kaldenkirchen砂土中的不可逆吸附量有较大差异,说明土壤有机碳含量对农药在土壤中的不可逆吸附有显著影响。该文通过对农药种类、土壤性质的比较,初步探讨了农药在土壤中不可逆吸附的机理。另外,与批量平衡法多级吸附/脱附法相比,土壤柱液相色谱多级吸附/脱附法具有操作简单、快速而又准确的特点,具有广泛的应用空间。

引用

页码：456 / 460

页数：5

共 10 条

[1]

Desorptive behavior of trichloroethylene in contaminated soil. Pavlostathis S G,Jaglal K. Environmental Science and Technology . 1991

[2]

Irreversible sorption of neutral hydrocarbons to sediments:experimental Observations and model predictions. Kan A T,Fu G,Hunter M,et al. Environmental Science and Technology . 1998

[3]

Dual- mode sorption of low- polarity compounds in glassy poly(vinyl chloride) and soil organic matter. Xing B,Pignatello J J. Environmental Science and Technology . 1997

[4]

Application of a permeant/polymer diffusional model the desorption of polychlorinated biphenyls from Hudson river sediments. Carroll K M,Harkness M R,Bracco A A,et al. Environmental Science and Technology . 1994

[5]

In situ spectroscopic investigations of adsorption mechanisms of nitroaromatic compounds at clay minerals. Weissmahr K W,Haderlein S B,Schwarzenbach R P,et al. Environmental Science and Technology . 1997

[6]

Comparison of the in situ and desorption sedimentwater partitioning of polycyclic aromatic hydrocarbons and polychlorinated biphenyls. McGroddy S E,Farrington J W,Gschwend P M. Environmental Science and Technology . 1996

[7]

Deviations from sorption linearity on soils of polar and nonpolar organic compounds at low relative concentrations. Chiou C T,Kile D E. Environmental Science and Technology . 1998

[8]

Irreversible adsorption of naphthalene and tetrachlorobiphenyl to Lula and surrogate sediments. Kan A T,Fu G,Hunter M A,et al. Environmental Science and Technology . 1997

[9] 农药涕灭威在土壤中的不可逆吸附行为 [J].

刘广良 ;

戴树桂 ;

钱芸 .

环境科学学报, 2000, (05) :597-602

[10]

Mechanis of slow sorption of organic chemicals to natural particles. Pignatello J J,Xing B. Environmental Science and Technology . 1996

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