Bio-monitoring of trace-element air pollution in Portugal: Qualitative survey

被引：0
|
作者：
M. C. Freitas
M. A. Reis
L. C. Alves
H. Th. Wolterbeek
T. Verburg
M. A. Gouveia
机构：
[1] ITN-Instituto Tecnológico e Nuclear,Departamento de Química
[2] ITN-Instituto Tecnológico e Nuclear,Departamento de Física
[3] TU Delft,IRI, Department of Radiometry
来源：
Journal of Radioanalytical and Nuclear Chemistry | 1997年 / 217卷
关键词：
Physical Chemistry; Inorganic Chemistry; Data Base; INAA; Sampling Grid;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
During the months of July and August 1993 a lichen collection campaign was held in Portugal where about 250 samples were collected and analysed by thick target TIPIXE and INAA. Results for 44 different elements were obtained and a data base was built and subjected to Monte Carlo Aided Target Transform Factor Analysis (MCATTFA), a method developed at IRI (Delft). 10×10 km2 coast and 50×50 km2 far from coast sampling grids were used for collection. In this work we will present the results which were obtained based on a reduced data set of 36 elements measured by INAA. The results for 22 elements obtained by TTPIXE were published elsewhere. In this work we will also present the conclusions considering all the 44 elements determined by both techniques.
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页码：21 / 30
页数：9
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