青岛市区大气颗粒物中重金属的浓度及其来源研究

１９９５年和１９９６年春夏两季，在青岛海洋大学气溶胶观测站（麦岛），共采集了５８个大气颗粒物样品，用电感耦合等离子体发射光谱法和石墨炉原子吸收法测定了其中的Ａｌ、Ｆｅ、Ｃａ、Ｍｇ、Ｍｎ、Ｋ、Ｎａ、Ｖ、Ｓｒ、Ｐｂ、Ｚｎ、Ｃｄ、Ｃｒ、Ｃｕ、Ｃｏ、Ｎｉ。本文分析了青岛市区大气颗粒物中金属元素的浓度及季节变化规律，并对其来源进行了初步的探讨。结果表明，青岛市区大气颗粒物中重金属主要来源为地壳土壤尘、煤灰尘

STUDY ON CONCENTRATIONS AND SOURES OF HEAVY METALS IN THE ATMOSPHERIC PARTICULATE MATTERS IN QINGDAO URBAN DISTRICTS

The atmospheric particulate matters samples were collected from springs to early summers of 1995 and 1996 at aerosol observatory in Ocean University of Qingdao (Maidao). The samples were analyzed by GAAS and/or ICP AES for up to 16 major and trace metals, including Al,Fe,Mn,Ca,Mg,K,Na,V,Sr,Cu,Pb,Zn,Cd,Co,Cr and Ni. Based on these results, the concentrations and their temporal variation of the heavy metals were examed; the soures of the heavy metals were also explored using enrichment factors and factor analysis. The results show that the heavy metals in the atmospheric particurlate matters in Qingdao urban districts are mainly from the following matters: the crust dust; the coal ash dust; the bruning dust of fossil fuels and the marine aerosol. The terrestrial matters show strongly seasonal variation, the concentritions of atmospheric particulate matters are obviously higher in spring than in summer, and the precipitation plays great role in scavenging the atmospheric particulate matters.