Analysis of heavy metals 重金属元素分析
Distribution characteristics of the heavy metal species in soils were studied by speciation analysis of heavy metals in the soils near Cu Fe tailings in Daye.
通过对大冶铜绿山铜铁矿尾矿库周围土壤中重金属形态分析实验，研究了重金属各种形态在土壤中的分布特征。
One of those basic tools, the analysis of available form of heavy metals, was widely studied.
作为重要的研究手段之一，元素有效态的分析技术起着关键的基础作用。
Three analysis methods to detect heavy metals in cement including total amount and leaching characteristic were studied.
文章从总量及浸出性质两个方面分析了现有的重金属测定方法，并通过试验分析了各方法的特点与适用性。
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