ADSORPTION THERMODYNAMICS OF CARBOFURAN ON SN(IV) ARSENOSILICATE IN H+, NA+ AND CA-2+ FORMS
ADSORPTION THERMODYNAMICS OF CARBOFURAN ON SN(IV) ARSENOSILICATE IN H+, NA+ AND CA-2+ FORMS
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DOI：
10.1016/0166-6622(87)80259-7
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发表时间：
1987-05-01
期刊：
影响因子：
--
通讯作者：
SINGH, RP
中科院分区：
文献类型：
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作者：
KHAN, AA;SINGH, RP
在25 ℃和50 ℃下研究了H+、Na+和Ca 2+形式的Sn（IV）砷硅酸盐阳离子交换剂对克百威的吸附热力学。C.呋喃丹在土壤中的吸附等温线符合Freundlich吸附模型，吸附等温线为"S"和“L "型。呋喃丹在不同形态阳离子交换剂上的吸附顺序为H+ > Na+ > Ca ~（2+）。热力学平衡常数（Ko），标准自由能（Δ G °），折射率（Δ H °）和熵（Δ S °）还计算了变化以预测吸附的性质。
The adsorption thermodynamics of carbofuran was studied on Sn (IV) arsenosilicate cation exchanger in the H+, Na+ and Ca2+ forms at 25 and 50.degree. C. The adsorption isotherms of carbofuran were found to follow the Freundlich adsorption model and yield ''S'' and ''L'' class isotherms. The order of adsorption of carbofuran on the different forms of cation exchanger is H+ > Na+ > Ca2+. The thermodynamic equilibrium constant (Ko), standard free energy (.DELTA.G.degree.), enthalphy (.DELTA.H.degree.) and entropy (.DELTA.S.degree.) changes were also calculated to predict the nature of adsorption.