Source apportionment of heavy metals in agricultural soil based on PMF: A case study in Hexi Corridor, northwest China.
Source apportionment of heavy metals in agricultural soil based on PMF: A case study in Hexi Corridor, northwest China.
Qingyu Guan,Feifei Wang,5 Authors,Haiping Luo
2018 · DOI: 10.1016/j.chemosphere.2017.10.151
Chemosphere · 505 Citations
TLDR
The results showed that the average concentrations of Cr, Cu, Ni, Pb and Zn were lower than the secondary standard of soil environmental quality; however, the concentrations of eight metals were higher than background values, and their corresponding enrichment factor values were significantly greater than 1.