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《Environmental Science & Technology》 2009-01
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Distribution of Heavy Metal Element of Coal Powder in Jiangxi

YANG Xiao-yan, LIU Xiao-zhen, DU Xiang, WANG Yue-hua(Department of Environment Toxicology,School of Environment and Chemical Engineering,Nanchang Hangkong University,Nanchang 330063,China)  
A new method for determination of metals including Cd,Cr,Cu,Mn,Ni,Pb and Zn in coal powder by microwave digestion and inductively coupled plasma atomic emission spectrometry(ICP-OES) was established.Results demonstrated that the linearity concentration range of these 7 elements were from 0 to 5ppm,with relativity of linear regression equation over 0.9997 and recovery in the range of 92.55%~114.27%.The test showed that the proposed method was simple,rapid with great reliability.Heavy metal elements of coal powder in Jiangxi Province were wide distributed,which were relative to local environment.
【Fund】: 中华人民共和国科学技术部社会公益项目(2005DIB1J177)
【CateGory Index】: X830
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