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Composition of heavy metals in indoor dust and their possible exposure: a case study of preschool children in Malaysia

机译：室内灰尘中重金属的成分及其可能的暴露：以马来西亚学龄前儿童为例

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摘要

The aim of this study is to determine the levels of selected heavy metals (Pb, Zn, Cd, Fe and Cr) at ten preschools in Selangor, Malaysia. Dust samples from the interior of classrooms and surface soils were collected using soft paint brushes while Kimwipes were used to collect samples of dust from interior walls and children’s palms. Heavy metals in the dust samples were determined using inductively coupled plasma mass spectrometry (ICP-MS). The concentrations of the selected heavy metals in the indoor dust were dominated by Fe with a concentration of 4,801 ± 1,873 μgg−1 followed by Pb > Zn > Cr and Cd with concentration of 253.5 ± 83.2, 144.9 ± 73.4, 11.9 ± 6.8 and 0.23 ± 0.10 μgg−1, respectively. Fe also had the highest concentration of all the heavy metals investigated in the samples taken of soil dust (8,225 ± 6,800 μgg−1), the interior walls (1,865 ± 756 μgm−2) and children’s palms (3,882 ± 3,401 μgm−2). Using enrichment factor (EF) analyses, Pb, Zn and Cd in the indoor dust were found contributed by anthropogenic factors while the same was true for Zn, Cd and Cr in the indoor wall and children’s palm samples.
机译：这项研究的目的是确定马来西亚雪兰莪州的十所幼儿园中选定的重金属（铅，锌，镉，铁和铬）的含量。使用软画笔从教室内部和地面土壤中收集灰尘样品，而Kimwipes则从室内墙壁和儿童手掌中收集灰尘样品。使用电感耦合等离子体质谱法（ICP-MS）测定粉尘样品中的重金属。室内尘埃中选定的重金属浓度以铁为主，浓度为4,801±1,873μgg-1，其次是Pb> Zn> Cr和Cd，浓度为253.5±83.2、144.9±73.4、11.9±6.8和0.23。分别为±0.10μgg-1。在土壤粉尘（8,225±6,800μgg-1），内壁（1,865±756μgm-2）和儿童手掌（3,882±3,401μgm-2）中，铁还具有最高的所有重金属浓度。 。使用富集因子（EF）分析，发现室内灰尘中的Pb，Zn和Cd是人为因素造成的，而室内墙壁和儿童手掌样品中的Zn，Cd和Cr的情况也是如此。

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  • 来源
    《Air quality, atmosphere & health》 |2014年第2期|181-193|共13页
  • 作者

    Mohd Talib Latif; Saw Mei Yong; Azlina Saad; Noorlin Mohamad; Nor Hafizah Baharudin; Mazlin Bin Mokhtar; Norhayati Mohd Tahir;

  • 作者单位

    1.School of Environmental and Natural Resource Sciences Faculty of Science and Technology Universiti Kebangsaan Malaysia 43600 Bangi Selangor Malaysia;

    1.School of Environmental and Natural Resource Sciences Faculty of Science and Technology Universiti Kebangsaan Malaysia 43600 Bangi Selangor Malaysia;

    1.School of Environmental and Natural Resource Sciences Faculty of Science and Technology Universiti Kebangsaan Malaysia 43600 Bangi Selangor Malaysia;

    1.School of Environmental and Natural Resource Sciences Faculty of Science and Technology Universiti Kebangsaan Malaysia 43600 Bangi Selangor Malaysia 2.Department of Engineering Science Faculty of Science and Technology Universiti Malaysia Terengganu 21030 Kuala Terengganu Terengganu Malaysia;

    1.School of Environmental and Natural Resource Sciences Faculty of Science and Technology Universiti Kebangsaan Malaysia 43600 Bangi Selangor Malaysia;

    3.Institute for Environment and Development (LESTARI) Universiti Kebangsaan Malaysia 43600 Bangi Selangor Malaysia;

    4.Environmental Research Group (ERG) Faculty of Science and Technology Universiti Malaysia Terengganu 21030 Kuala Terengganu Terengganu Malaysia 5.Fellow Institute of Oceanography and Environment (INOS) Universiti Malaysia Terengganu 21030 Kuala Terengganu Terengganu Malaysia;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Heavy metals; Indoor dust; Preschools; Surface soils; Interior walls;

    机译：重金属;室内灰尘;学前班;表层土壤;内墙;

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