Khan Aysha Masood, Behkami Shima, Yusoff Ismail, Md Zain Sharifuddin Bin, Bakar Nor Kartini Abu, Bakar Ahmad Farid Abu, Alias Yatimah
Department of Geology, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia.
Department of Chemistry, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia; Environmental and Bio-Analytical Laboratories, Department of Chemistry, Sharif University of Technology, P.O.Box 11365-9516, Tehran, Iran.
Chemosphere. 2017 Oct;184:673-678. doi: 10.1016/j.chemosphere.2017.06.032. Epub 2017 Jun 9.
Rare earth elements (REEs) are becoming significant due to their huge applications in many industries, large-scale mining and refining activities. Increasing usage of such metals pose negative environmental impacts. In this research ICP-MS has been used to analyze soil samples collected from former ex-mining areas in the depths of 0-20 cm, 21-40 cm, and 41-60 cm of residential, mining, natural, and industrial areas of Perak. Principal component analysis (PCA) revealed that soil samples taken from different mining, industrial, residential, and natural areas are separated into four clusters. It was observed that REEs were abundant in most of the samples from mining areas. Concentration of the rare elements decrease in general as we move from surface soil to deeper soils.
稀土元素（REEs）因其在许多行业的大量应用、大规模采矿和精炼活动而变得日益重要。此类金属使用量的增加对环境产生了负面影响。在本研究中，采用电感耦合等离子体质谱法（ICP-MS）分析了从霹雳州住宅、采矿、自然和工业区0-20厘米、21-40厘米和41-60厘米深度的 former ex-mining areas 采集的土壤样本。主成分分析（PCA）表明，从不同采矿、工业、住宅和自然区域采集的土壤样本被分为四个簇。观察到矿区的大多数样本中稀土元素含量丰富。一般来说，随着我们从表层土壤向深层土壤移动，稀有元素的浓度会降低。
