酒泉城区街道灰尘中铬含量分布特征分析  

Analysis of Distribution Characteristics of Chromium Content in Street Dust of Jiuquan City

作　　者：张春玲[1] 许新兵[1] 任小娜[1] 赵丽[1] Zhang Chunling; Xu Xinbing; Ren Xiaona; Zhao Li(Department of Chemical Engineering, Jiuquan Institute of Technology, Jiuquan, Gansu, 735000, China)

机构地区：[1]酒泉职业技术学院化学工程系,甘肃酒泉735000

出　　处：《绿色科技》2018年第20期120-121,共2页Journal of Green Science and Technology

基　　金：酒泉职业技术学院科研项目(编号:xyjy[2015]Y-1)

摘　　要：对酒泉城区各主要街道地表灰尘进行了铬含量的分析,研究表明:城区街道灰尘中铬含量相对稳定,均值为159.5μg/g;灰尘中铬元素的含量与土壤背景值相差不大,其分布呈现由城郊向城区下降的趋势,但变化较小。The chromium content of the main street dust in Jiuquan is analyzed.The results show that the chromium content in urban street dust is relatively stable,with a mean value of 159.5 ug/g.The content is little different from the soil background value and the distribution is decreasing from the suburb to the urban area.But the change is small.

关 键 词：城市环境 地表灰尘 铬含量 

分 类 号：X53[环境科学与工程—环境工程]