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- W2374296388 abstract "To study the distribution of the heavy metals in roadside soil polluted by vehicle exhaust,the soil samples are collected at the XISANHUAN highway in Beijing.Flame atomic Absorption spectrophotometer was used to analyze the contents of heavy metals in the soils,and the improved BCR sequential extraction method was used to analyze the heavy metals form.The results show that the soils along highways are polluted obviously by Ni,Cr,Pb,Zn and Cd which are respectively 1.17 times,1.59 times,2.20 times,1.77 times and 1.96 times as much as those in clean control zone soils.But Cu shows the different result,almost not influenced by vehicle exhaust.From the characteristic of heavy metals forms,Cd exists mainly in the acid extractable form and oxide combining form,Pb exits mainly in the organic and sulfide combining form,and Cu,Cr,Zn,Ni exists mainly in the residue form." @default.
- W2374296388 created "2016-06-24" @default.
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- W2374296388 date "2010-01-01" @default.
- W2374296388 modified "2023-09-27" @default.
- W2374296388 title "Study on heavy metal pollutions in roadside soil" @default.
- W2374296388 hasPublicationYear "2010" @default.
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