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首页> 外文期刊>Pedosphere >Effect of Low-Molecular-Weight Organic Acids on Cl~- Adsorption by Variable Charge Soils
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Effect of Low-Molecular-Weight Organic Acids on Cl~- Adsorption by Variable Charge Soils

机译：低分子量有机酸对可变电荷土壤吸附Cl〜-的影响

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摘要

Low-molecular-weight (LMW) organic acids exist widely in soils and have been implicated in many soil processes. The objective of the present paper was to evaluate effect of two LMW organic acids, citric acid and oxalic acid, on Cl~-adsorption by three variable charge soils, a latosol, a lateritic red soil and a red soil, using a batch method. The results showed that the presence of citric acid and oxalic acid led to a decrease in Cl~- adsorption with larger decreases for citric acid. Among the different soils Cl~- adsorption in the lateritic red soil and the red soil was more affected by both the LMW organic acids than that in the latosol.
机译：低分子量（LMW）有机酸广泛存在于土壤中，并涉及许多土壤过程。本文的目的是使用分批方法，评估两种LMW有机酸（柠檬酸和草酸）对三种可变电荷土壤（latosol，红土红壤和红壤）对Cl〜吸附的影响。结果表明，柠檬酸和草酸的存在导致Cl〜-吸附的降低，而柠檬酸的降低幅度更大。在红壤性红壤和红壤中，两种土壤中Cl〜-的吸附均受LMW有机酸的影响大于在红土中。

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