Journals
Publish with us
Publishing partnerships
About us
Blog
International Journal of Analytical Chemistry
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
International Journal of Analytical Chemistry
/
2015
/
Article
/
Tab 4
/
Research Article
Risk Assessment and Prediction of Heavy Metal Pollution in Groundwater and River Sediment: A Case Study of a Typical Agricultural Irrigation Area in Northeast China
Table 4
Contents of heavy metals in sediment of Hun River (ppm).
Number
Thickness (cm)
Cr(VI)
As
Cd
Pb
N10-1
0–26
N10-2
26–40
N11-1
0–25
N11-2
25–45
N11-3
45–50
N12-1
0–50
N13-1-1
0–5
N13-1-2
5–30
N13-2-1
0–15
N13-2-2
15–40
N13-2-3
40–64
N14-1
0–23
N14-2
23–30
N14-3
30–40
N14-4
40–50
N16-1
0–26
N16-2
26–50
N17
0–32
N18
0–28
N19-1
0–5
N19-2
5–25
N20-1
0–29
N21-1
0–5
N21-2
5–26
N24-1
Surface layer
S14-1
Surface layer
S16-1
Surface layer
S19-1
0–44
S19-2
0–44
S20-1
0–13
S20-2
13–22
Background value
60
15
0.5
35
Note: the data are the mean ± standard deviation.