Determination of Pb, Cd, Cr and Hg in Coal Gangue and Fly Ash Product with Microwave Digestion and Atom Absorption Spectrometry

被引：0
|
作者：
Wang, Xiuteng [1 ]
Wei, Wei [2 ]
Xu, Ling [3 ]
Lin, Ling [1 ]
Huang, Jin [1 ]
机构：
[1] China Natl Inst Standardizat, Subinst Resource & Environm, Beijing 100191, Peoples R China
[2] Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China
[3] Peking Univ, Coll Engn, Beijing 100871, Peoples R China
来源：
PROCEEDINGS OF THE 2015 3RD INTERNATIONAL CONFERENCE ON MACHINERY, MATERIALS AND INFORMATION TECHNOLOGY APPLICATIONS | 2015年 / 35卷
关键词：
coal gangue; coal fly ash; lead; cadmium; chromium; mercury; microwave digestion; atomic absorption spectrometry; environmental risk; WASTE;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Building materials are the main products made of coal gangue and coal fly ash. Most of these products contain various heavy metals such as Pb, Cd, Cr, Hg, which are needed to measure in the purpose of safe using and environment protection. In our work, we established a set of method to pre-treat the products by microwave digestion technique and measure the concentration of heavy metals by atomic absorption spectrophotometer. And we measured three products from Shuozhou City, Shanxi Province and found that the content of one or two kinds of heavy metals are high, which should be paid great attention in its application for their high environmental risks.
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页码：1224 / 1227
页数：4
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