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环境化学  2015 

砷、矾与镉交互作用及其对土壤吸附镉的影响

Keywords: ,,,土壤,吸附

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Abstract:

研究了砷、矾与镉交互作用及其对土壤吸附镉的影响.结果表明江西红壤、海南砖红壤、湖南红壤和北京褐土等四种土壤吸附镉的等温线符合Freundlich方程,吸附常数K的大小顺序为北京褐土>湖南红壤>江西红壤>海南砖红壤.pH值是决定土壤吸附镉的关键因素之一,砷和矾的存在可促进土壤对镉的吸附.

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