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[1]戴塔根,罗莹华,梁凯.重金属在不同粒径PM10中的含量与形态[J].地球科学与环境学报,2006,28(04):87-91.
 DAI Ta-gen,LUO Ying-hua,LIANG Kai.Contents and Form of Heavy Metal in PM10 of Different Diameters[J].Journal of Earth Sciences and Environment,2006,28(04):87-91.
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第28卷
期数:
2006年第04期
页码:
87-91
栏目:
出版日期:
2006-12-15

文章信息/Info

Title:
Contents and Form of Heavy Metal in PM10 of Different Diameters
作者:
戴塔根1罗莹华12梁凯12
1.中南大学地学与环境工程学院,湖南长沙410083;2.韶关学院旅游系,广东韶关512005
Author(s):
DAI Ta-gen1LUO Ying-hua12LIANG Kai12
1.School of Geology and Environment Engineering, Central South University, Changsha 410083, Hunan, China; 2. Department of Tourism, Shaoguan University, Shaoguan 512005, Guangdong, China
关键词:
重金属质量浓度形态分布环境活性
Keywords:
heavy metal mass consistency form distribution environment activity
分类号:
X132
DOI:
-
文献标志码:
A
摘要:
利用WYX402A型原子吸收分光光度计和Tessler形态分类法研究了Cu、Pb、Zn、Cd、Cr、As重金属 在不同粒径PM10中的质量浓度与形态分布。结果表明Cu、Pb、Cd、As质量浓度随粒径增加而减少,Zn、Cr质 量浓度在1.1~2.0μm粒径范围内有一峰值,总体上仍表现为随粒径增加而减少。重金属的形态分布表现出各 自的特征,反映了其环境活性的不同。颗粒越细,Cu的活性越大;Pb的活性在各粒级中变化不大;Zn的活性随 粒径增加而变大;Cd主要以碳酸盐结合态和氧化物结合态为主,且在小颗粒中活性较大;Cr以氧化物结合态和 不溶物为主,在各粒级中含量较稳定,环境活性不大;As主要以前3种形态存在,在稳定环境下,其活性随粒径 增加而减小。
Abstract:
The WYX-402A atomic absorption spectrometry and Tessler scheme are used to study contents and activity of Cu, Pb, Zn, Cd, Cr and As in PM10 of different diameters. The results indicate that contents of Cu, Pb, Cd and As increase with the decrease of diameters; contents of Zn and Crincrease with decrease of diameters in despite of the maxi- mum within the diameter range 1.1μm to 2.0μm. The activity of heavy metals is different in PM10, that is, activity of Cu increase with the decrease of diameters, activity of Pb is stable, activity of Zn fall when diameters decrease. The dominant form of Cd is carbonate and oxides and its activity is biggerin fine particles. The dominant form of Cris oxides and residual, and its activity is stable in particles of different size. Soluble, carbonate and oxides are the main form of As, and its activity fall when diameters increase in the stable environment.

参考文献/References:

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备注/Memo

备注/Memo:
[收稿日期]2005-12-15
[基金项目]广东省科技计划项目(2004B16001201)
[作者简介]戴塔根(1952-),男,湖南涟源人,教授,博士生导师,从事应用地球化学与成矿预测研究。
更新日期/Last Update: 2006-12-20