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首页> 外文期刊>Environmental toxicology and chemistry >Determination of the surface sorption properties of talc, different salts, and clay minerals at various relative humidities using adsorption data of a diverse set of organic vapors.
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Determination of the surface sorption properties of talc, different salts, and clay minerals at various relative humidities using adsorption data of a diverse set of organic vapors.

机译：使用多种有机蒸气的吸附数据确定滑石粉，不同盐和粘土矿物在各种相对湿度下的表面吸附特性。

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摘要

Adsorption constants of a diverse set of organic vapors have been measured on NaCl, KNO3, (NH4)2SO4, NH4Cl, kaolinite, bentonite. and talc at different relative humidities at 15 degrees C. Together with the earlier studied quartz (SiO2), CaCO3, and alpha-Al2O3, these surfaces represent relevant sorbents for organic vapors in the environment. An equation that describes the van der Waals and H-bond interactions between the sorbate and the surface can be used to describe the sorbate and sorbent variability in the measured data and to predict sorption constants of organic compounds that have not been tested on the respective surface. The unknown properties of the sorbent surfaces are used as fitting parameters in this equation. These data provide important insights into the variability of sorption properties of natural, inorganic surfaces as a function of relative humidity.
机译：已在NaCl，KNO3，（NH4）2SO4，NH4Cl，高岭石，膨润土上测量了各种有机蒸气的吸附常数。和滑石粉在15摄氏度下的不同相对湿度下。再加上较早研究的石英（SiO2），CaCO3和α-Al2O3，这些表面代表了环境中有机蒸气的相关吸附剂。描述被吸附物与表面之间范德华力和氢键相互作用的方程式可用于描述测量数据中的被吸附物和吸附剂变异性，并预测尚未在相应表面上测试的有机化合物的吸附常数。吸附剂表面的未知特性在该方程式中用作拟合参数。这些数据对天然无机表面的吸附性能随相对湿度的变化提供了重要的见解。

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