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Adsorption characteristic of bensulfuron-methyl at variable added Pb2+ concentrations on paddy soils |
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| Authors: | WU Weihong WANG Haizhen XU Jianming and XIE Zhengmiao |
| Institution: | 1. Department of Environmental Science and Engineering,Hangzhou Dianzi University,Hangzhou 310018,China;College of Environmental and Natural Resource Sciences,Zhejiang University,Hangzhou 310029,China 2. College of Environmental and Natural Resource Sciences,Zhejiang University,Hangzhou 310029,China;Zhejiang Provincial Key Laboratory of Subtropic Soil Science and Plant Nutrition,Hangzhou 310029,China 3. Department of Environmental Science and Engineering,Hangzhou Dianzi University,Hangzhou 310018,China |
| Abstract: | The combined pollution of heavy metal Pb2+ and bensulfuron-methyl (BSM), originating from chemical herbicides, in agro- ecological environments has become commonplace in southern China. The adsorption of BSM on three paddy soils in the presence of Pb2+ was examined using high-performance liquid chromatograph (HPLC). Results indicated that adsorption of BSM could accurately be described by a Freundlich isotherm equation with correlation constant (R) > 0.98, irrespective of the presence of spiked Pb2+. Of the... |
| Keywords: | bensulfuron-methyl adsorption paddy soils Pb pollution |
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