Distribution and Bioavailability of Nitrogen Species in Street Dust from Small Towns in Yongchuan, Chongqing

Shu Min Wang; Hui Yu

doi:10.4028/www.scientific.net/AMR.690-693.1539

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 690-693Distribution and Bioavailability of Nitrogen...

Distribution and Bioavailability of Nitrogen Species in Street Dust from Small Towns in Yongchuan, Chongqing

Abstract:

Most studies about urban street dust have been focused on big cities so far and less attention has been focused on small towns. In this paper, we collected 12 samples from four different localities (Commercial Area, Industrial Area, Shuangzhu Street, Xuefu Road) in small towns of Yongchuan District, Chongqing to investigate the concentration distribution and composition of nitrogen in street dust. The results revealed that dust samples from Commercial Area contain higher concentration of total nitrogen (TN) (e.g., 1672mg/kg) comparing with dust samples from other three sites (e.g., 196-682mg/kg). In addition, inorganic nitrogen was the predominant form in every site and accounted for 67%-89% of TN. Organic carbon (OC) and pH also had an effect on concentration and composition of TN.

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Periodical:

Advanced Materials Research (Volumes 690-693)

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1539-1542

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.690-693.1539

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Online since:

May 2013

Authors:

Shu Min Wang, Hui Yu

Keywords:

Composition, Distribution, Nitrogen, Small Town, Street Dust

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