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Journal of Chemistry
/
2022
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Article
/
Tab 2
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Research Article
Contamination and Ecological Risk Assessment of Heavy Metals in Surface Sediments of Huangshui River, Northwest China
Table 2
The background concentrations of heavy metals in Qinghai Province.
Heavy metals
Cr
As
Pb
Cd
Zn
Background concentrations (mg·kg
−1
)
70.1
14
20.9
0.137
80.3