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首页> 外文期刊>Environmental Science & Technology >Size-Based Speciation of Natural Colloidal Particles by Flow Field Flow Fractionation,Inductively Coupled Plasma-Mass Spectroscopy,and Transmission Electron Microscopy/X-ray Energy Dispersive Spectroscopy:Colloids-Trace Element Interaction
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Size-Based Speciation of Natural Colloidal Particles by Flow Field Flow Fractionation,Inductively Coupled Plasma-Mass Spectroscopy,and Transmission Electron Microscopy/X-ray Energy Dispersive Spectroscopy:Colloids-Trace Element Interaction

机译：通过流场流动分馏，电感耦合等离子体质谱和透射电子显微镜/ X射线能量色散光谱对天然胶体粒子进行基于尺寸的形成：胶体-痕量元素相互作用

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摘要

Flow field flow fractionation (FIFFF),inductively coupled plasma-mass Spectroscopy (ICP-MS),and transmission electron microscopy (TEM) coupled to X-ray energy dispersive spectrometry (X-EDS) are used in series for the first time to characterize colloids.Results demonstrate the utility of FIFFF-ICP-MS-TEM/X-EDS to relate physical properties (size) of colloids to their chemical properties (chemical composition,surface chemical composition,and colloids-trace elements association).Results suggest that the major part of natural organic matter (NOM) is concentrated in the fraction <0.01 mu m (C2).Aluminum,iron,and manganese are the main colloidal components in the fraction 0.01 -0.45 mu m (C1).Aluminum occurs as aluminum oxides or aluminosilicates in the whole size range,while iron and manganese occur as individual oxyhydroxides in the size range <0.20 mu m.Within the C2 fraction,Al,Mn,Cu,and Ni elements are complexed to NOM (e.g.,humic substances).Iron is complexed to NOM in some samples and probably free in other samples.Lead is totally free in all samples.Within the C1 fraction,Cu and Pb are mostly associated to Fe and Mn oxyhydroxides.Consequently,NOM with Fe and Mn oxyhydroxides are the main colloidal carriers of trace elements in the Loire watershed system.
机译：首次串联使用流场流动分馏（FIFFF），电感耦合等离子体质谱（ICP-MS）和透射电子显微镜（TEM）以及X射线能量色散光谱（X-EDS）进行表征结果表明FIFFF-ICP-MS-TEM / X-EDS可用于将胶体的物理性质（大小）与其化学性质（化学组成，表面化学组成和胶体-痕量元素缔合）联系起来。天然有机物（NOM）的大部分集中在<0.01μm（C2）的馏分中。铝，铁和锰是0.01 -0.45μm（C1）的主要胶体成分。铝以铝的形式存在氧化物或铝硅酸盐在整个尺寸范围内，而铁和锰则以单独的羟基氧化物形式存在，尺寸范围在<0.20μm范围内。铁在某些样品中与NOM络合d在其他样品中可能是游离的。铅在所有样品中都是完全游离的。在C1组分中，Cu和Pb与Fe和Mn羟基氧化物有关。卢瓦尔河分水岭系统。

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  • 来源
    《Environmental Science & Technology》 |2006年第7期|p.2156-2162|共7页
  • 作者

    M.BAALOUSHA; F.V.D.KAMMER; M.MOTELICA-HEINO; M.BABOROWSKI; C.HOFMEISTER; P.LECOUSTUMER;

  • 作者单位

    University of Bordeaux 1,33400 Talence,France,Department of Geological Science,Vienna University,1090 Vienna,Austria,BRGM,Avenue Claude Guillemin,45060,Orleans,France,and UFZ Center for Environmental Research,Leipzig-Halle,River Ecology Department,Ma;

    University of Bordeaux 1,33400 Talence,France,Department of Geological Science,Vienna University,1090 Vienna,Austria,BRGM,Avenue Claude Guillemin,45060,Orleans,France,and UFZ Center for Environmental Research,Leipzig-Halle,River Ecology Department,Ma;

    University of Bordeaux 1,33400 Talence,France,Department of Geological Science,Vienna University,1090 Vienna,Austria,BRGM,Avenue Claude Guillemin,45060,Orleans,France,and UFZ Center for Environmental Research,Leipzig-Halle,River Ecology Department,Ma;

    University of Bordeaux 1,33400 Talence,France,Department of Geological Science,Vienna University,1090 Vienna,Austria,BRGM,Avenue Claude Guillemin,45060,Orleans,France,and UFZ Center for Environmental Research,Leipzig-Halle,River Ecology Department,Ma;

    University of Bordeaux 1,33400 Talence,France,Department of Geological Science,Vienna University,1090 Vienna,Austria,BRGM,Avenue Claude Guillemin,45060,Orleans,France,and UFZ Center for Environmental Research,Leipzig-Halle,River Ecology Department,Ma;

    University of Bordeaux 1,33400 Talence,France,Department of Geological Science,Vienna University,1090 Vienna,Austria,BRGM,Avenue Claude Guillemin,45060,Orleans,France,and UFZ Center for Environmental Research,Leipzig-Halle,River Ecology Department,Ma;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 环境化学;
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