Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1080/15287390701236397 |
A PIXE and ICP-MS analysis of metallic atmospheric contaminants in tree bark tissues, a basis for biomonitoring uses | |
Ayrault, Sophie; El Alaoui-Faris, Fatima Ezzahra; Asta, Juliette; Tissut, Michel; Daudin, Laurent; Mariet, Clarisse; Ravanel, Patrick; Gaudry, Andre; Cherkaoui, Rajaa | |
通讯作者 | Ayrault, Sophie |
会议名称 | Seminar on Analytical Chemistry and Ecotoxicology |
会议日期 | FEB 15, 2006 |
会议地点 | Geneva, SWITZERLAND |
英文摘要 | The qualitative and quantitative metallic content of tree barks of Argania spinosa (L.) Skeels were studied. Argania spinosa is an endemic species in Morocco. This tree is adapted to semi-arid climates and exposed to specific conditions of relative humidity, temperature, wind, and particle transport. Three sites were sampled in Morocco: the large town of Rabat, the harbor of Agadir, and Ait Baha, a countryside location exposed to continuous desert wind. The methodologies included (1) in situ microanalysis with proton-induced X-ray emission (PIXE) and (2) trace element determinations by mass spectrometry with inductively coupled plasma (ICP-MS) associated with extraction procedures. Both methods allowed detection of elements coming from different bark compartments. The profile of airborne contaminants in the barks was typical of the sampling sites. The level of lead in barks 2 sampled in Rabat reached 100 ng cm(-2), or higher, while it varied between 3 and 35 ng cm(-2) in Ait Baha. The in situ study of the microscopic structure of the bark provided the location of major and minor elements at various depths inside the bark. A differential between free deposit on the bark surface and penetrated content was found for the major and trace elements. The free deposit on the bark surface was suspected to be mostly the result of recent contamination. Part of the contaminants spread out on the surface penetrated the superficial suber. This long-term accumulation affected mostly Pb. In deeper levels, airborne elements at low concentrations and elements resulting from root uptake were concurrently present and resulted in a complex situation, as noted for zinc. |
来源出版物 | JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH-PART A-CURRENT ISSUES |
ISSN | 1528-7394 |
出版年 | 2007 |
卷号 | 70 |
期号 | 9-10 |
页码 | 742-749 |
出版者 | TAYLOR & FRANCIS INC |
类型 | Article;Proceedings Paper |
语种 | 英语 |
国家 | France;Morocco |
收录类别 | SCI-E ; CPCI-S |
WOS记录号 | WOS:000246064700006 |
WOS关键词 | TRACE-ELEMENT CONCENTRATIONS ; MASS-SPECTROMETRY ; AIR-POLLUTION ; EPIPHYTIC LICHENS ; HEAVY-METALS ; SAMPLES ; NETHERLANDS ; K(0)-INAA ; MOSSES ; INAA |
WOS类目 | Environmental Sciences ; Public, Environmental & Occupational Health ; Toxicology |
WOS研究方向 | Environmental Sciences & Ecology ; Public, Environmental & Occupational Health ; Toxicology |
资源类型 | 会议论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/296621 |
作者单位 | (1)UVSQ, Lab Sci Climat & Environm, CEA, CNRS, F-91198 Gif Sur Yvette, France;(2)Univ Mohammed 5, Fac Sci, Rabat, Morocco;(3)UJF, Lab LECA, UMR 5553, Grenoble, France;(4)CEA, CNRS, Lab Pierre Sue, Gif Sur Yvette, France |
推荐引用方式 GB/T 7714 | Ayrault, Sophie,El Alaoui-Faris, Fatima Ezzahra,Asta, Juliette,et al. A PIXE and ICP-MS analysis of metallic atmospheric contaminants in tree bark tissues, a basis for biomonitoring uses[C]:TAYLOR & FRANCIS INC,2007:742-749. |
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