贵阳市PM2.5中金属元素污染特征分析

Studies of Trace Elements and Health（2018）

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Abstract

目的:了解贵阳市大气PM2.5中重金属的污染特征.方法:用电感耦合等离子体质谱仪(ICP-MS)测定贵阳市南明区和花溪区2016年PM2.5中2种重金属含量.结果:南明区PM2.5所含12种金属元素中,铝(Al)占金属元素构成比的88.12％、铅(Pb)占21.86％、锰(Mn)占16.79％.花溪区PM2.5所含12种金属元素中,铝(Al)占金属元素构成比的83.80％、铅(Pb)占46.28％、锰(Mn)占15.82％.结论:在PM2.5中12种金属离子中,铝、锰、铅的含量排前3位.南明区PM2.5中铝(Al)、铅(Pb)和锰(Mn)三种金属元素构成均高于花溪区.

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