[1]LI Jie,SHI Ze-ming,ZHANG Cheng-jiang,et al.Contrast Research on Heavy Metal Contents in Suburb Soils of Typical Cities[J].Research of Soil and Water Conservation,2008,15(02):266-269.
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Contrast Research on Heavy Metal Contents in Suburb Soils of Typical Cities
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
15
Number of periods:
2008 02
Page number:
266-269
Column:
Public date:
2008-04-20
- Title:
- Contrast Research on Heavy Metal Contents in Suburb Soils of Typical Cities
- CLC:
- X53
- DOI:
- -
- Abstract:
- Choosing the three types of typical cities(Chengdu,Deyang,Pengshan-Pujiang) of Chengdu economic area as research objects,this paper did a comparative study on concentrations of seven heavy metals including Cd,Hg,As,Zn,Cr,Cu,Pb in suburb soil of these areas.Compared with the national gradeⅡquality standard of soil,the Cd contents in soils of Chengdu,Deyang,Pengshan-Pujiang exceed the standard,and the exceeding rate are 11.67%,70.6%,39.00% respectively;the Cr concentrations in soil of Pengshan-Pujiang exceed the standard,and the exceeding rate are 20.25%;however the contents of other heavy metals not exceed the standard.The comparison of heavy metal concentrations in soils between the three different cities showed that the concentrations of Hg,As,Zn,Pb in Chengdu suburb soil get to the highest,and the concentrations of Cd,Cr are relatively the lowest;the concentrations of Cd,Cu in Deyang suburb soils are the highest;the concentration of Cr in PengshanPujiang suburb soils is relatively the highest,and the concentrations of Hg,As,Zn,Cu,Pb are relatively the lowest.Compared with the other cities in China,the concentrations of Hg in Chengdu and Deyang suburb soil,and the concentrations of Cr in Pujiang-Pengshan are higher than that of other cities,the concentrations of As,Cd in Chengdu,the concentrations of Cd,Zn in Deyang,and the concentrations of Hg,As,Zn,Pb in Pengshan-Pujiang are lower than that of other cities.
- References:
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1900-01-01