期刊
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
卷 303, 期 1, 页码 637-646出版社
SPRINGER
DOI: 10.1007/s10967-014-3300-1
关键词
Trace metal; Enrichment factor; Multivariate statistical analysis; Source; Dust
资金
- National Natural Science Foundation of China [41271510]
- Fundamental Research Funds for the Central University [GK201305008]
Concentrations and sources of multi-elements in road dusts from an industrial city of northwest China were determined. Dust samples have elevated concentrations of Co, Cr, Cu, Pb, Zn, Sr and Ba. The dusts were mainly moderate enrichment by Co and Pb, minimal enrichment to moderate enrichment by Sr and Zn, and deficiency to minimal enrichment by other trace metals. Mn, V, Y, La, Hf, Th and U originated from soil. Cu, Pb, Cr, Ba and Sr mainly derived from traffic. Co, Zr, Ni, Ga, As and Zn have mixed sources of nature, industry and traffic.
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