Effects of pH, organic acids, and competitive cations on mercury desorption in soils

The effects of pH, organic acids, and competitive cations on Hg 2+ desorption were studied. Three representative soils for rice production in China, locally referred to as a yellowish red soil (YRS), purplish clayey soil (PCS), and silty loam soil (SLS) and classified as Gleyi-Stagnic Anthrosols in...

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Veröffentlicht in:	Chemosphere (Oxford) 2007-11, Vol.69 (10), p.1662-1669
Hauptverfasser:	Jing, Y.D., He, Z.L., Yang, X.E.
Format:	Artikel
Sprache:	eng
Schlagworte:	acidity Adsorption Adsorption–desorption agricultural soils Agriculture - standards alkalinity Applied sciences Biological and physicochemical properties of pollutants. Interaction in the soil Carboxylic Acids - chemistry Cations, Divalent - chemistry chemical concentration China citric acid Competitive cations copper Copper - chemistry desorption Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology Hydrogen-Ion Concentration malic acid Mercury Mercury - analysis Organic acids Oryza sativa oxalic acid Pollution Pollution, environment geology Quality Control rice soils Soil - analysis Soil - standards Soil and sediments pollution soil pH Soil Pollutants - analysis soil pollution Soils tartaric acid Thermodynamics zinc Zinc - chemistry
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Zusammenfassung:	The effects of pH, organic acids, and competitive cations on Hg 2+ desorption were studied. Three representative soils for rice production in China, locally referred to as a yellowish red soil (YRS), purplish clayey soil (PCS), and silty loam soil (SLS) and classified as Gleyi-Stagnic Anthrosols in FAO/UNESCO nomenclature, were, respectively, collected from Jiaxin County, Deqing County, and Xiasha District of Hangzhou City, Zhejiang Province. Most of the added Hg 2+ was adsorbed at low initial concentrations (
ISSN:	0045-6535 1879-1298
DOI:	10.1016/j.chemosphere.2007.05.033