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Pedosphere
1996,6
(2)
Influence of chelating agents on chromium fate in sediment.
作 者：
Wang XiaoChang;Sun JinHe;Zhang QinZheng;Cao ZhiHong;Chen ZiYuan;Wang XC;Sun JH;Zhang QZ;Cao
单 位：
;Institute of Soil Science, Academia Sinica, Nanjing 210008, China.
关键词：
adsorption edta citric acid;tartaric acid;salicylic acid;sorption desorption chromium sediment chelating agents
摘 要：
Reactions between chelating agents and chromium was investigated to evaluate the effect of chelating agents on the adsorption and desorption of chromium in sediment. The amount of adsorbed chromium(VI) in sediment decreased by 5%-10% with the addition of chelating agents. Chelating agents inhibited the removal of Cr(III) by sediment from solutions and the inhibiting effect was in the order: citric acid > tartaric acid > EDTA/salicylic acid. No effect of chelating agents on desorption of chromium insediment was observed.
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