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《Environmental Chemistry》 1992-03
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EXTRACTING MECHANISM OF CHEMICAL EXTRACTANTS FOR AVAILABLE CADMIUM IN SOILS

Xiong Liming Lu Rukun(Institute of Soil Science, Auademia Sinica,Nanjing,210008)  
Six soil extractants were compared in terms of their solubilizing ability for Cd, correlation among the amount of Cd solubilized,and solubilization mechanisms in order to select the best extractant for available Cd in soils. It was concluded that all the extractants had the potential to become the best one under certain soil background. However,a relatively universal extractant was considered to be 0.1 mol/1 CaCl2 especially when the correlation with plant Cd uptake was further taken into account.
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