Joint assessment of responses of biomonitors to airborne nickel and vanadium through nuclear and non-nuclear techniques

被引:3
|
作者
Pacheco, A. M. G. [1 ]
Freitas, M. C. [2 ]
Baptista, M. S. [3 ]
Vasconcelos, M. T. S. D. [3 ,4 ]
Cabral, J. P. [3 ,5 ]
机构
[1] Univ Tecn Lisboa, CERENA IST, P-1049001 Lisbon, Portugal
[2] Technol Inst Nucl, Reactor ITN, P-2686953 Sacavem, Portugal
[3] Univ Porto, CIIMAR, P-4050123 Oporto, Portugal
[4] Univ Porto, Dept Chem, P-4169071 Oporto, Portugal
[5] Univ Porto, Dept Bot, P-4150181 Oporto, Portugal
关键词
D O I
10.1007/s10967-007-0422-8
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
This study deals with the influence of the exposure conditions on biological uptake, by looking into concentrations of Ni and V in lichen thalli and tree bark after continuous and discontinuous field trials at littoral sites impacted by anthropogenic emissions. Biomonitors were assessed by k(0)-INAA and AAS. Correlations at Sines are more apparent than at Viana or Lisboa. When data from all sites are pooled, V shows correlations for practically every situation while Ni shows none, which may indicate a dissimilar uptake mechanism for each element. At Sines, V/Ni ratios reach values that comply with emissions from oil-related industries.
引用
收藏
页码:135 / 141
页数:7
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