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1.
Distribution, speciation and availability of antimony (Sb) in soils and terrestrial plants from an active Sb mining area 总被引:1,自引:0,他引:1
Gudny Okkenhaug Yong-Guan ZhuLei Luo Ming LeiXi Li Jan Mulder 《Environmental pollution (Barking, Essex : 1987)》2011,159(10):2427-2434
Here, we present one of the first studies investigating the mobility, solubility and the speciation-dependent in-situ bioaccumulation of antimony (Sb) in an active Sb mining area (Xikuangshan, China). Total Sb concentrations in soils are high (527-11,798 mg kg−1), and all soils, including those taken from a paddy field and a vegetable garden, show a high bioavailable Sb fraction (6.3-748 mg kg−1), dominated by Sb(V). Elevated concentrations in native plant species (109-4029 mg kg−1) underpin this. Both chemical equilibrium studies and XANES data suggest the presence of Ca[Sb(OH)6]2, controlling Sb solubility. A very close relationship was found between the citric acid extractable Sb in plants and water or sulfate extractable Sb in soil, indicating that citric acid extractable Sb content in plants may be a better predictor for bioavailable Sb in soil than total acid digestible Sb plant content. 相似文献
2.
Vega IA Arribére MA Almonacid AV Ribeiro Guevara S Castro-Vazquez A 《Environmental science and pollution research international》2012,19(8):3307-3316
Purpose
The differential ability of apple snail tissues, endosymbionts, and eggs to bioaccumulate several metals (Sb, As, Ba, Br, Zn, Cr, Fe, Hg, Se, and U) was investigated.Methods
Metal concentrations were determined by neutron activation analysis in several tissues, endosymbionts, and eggs from mature apple snails cultured in either drinking water or reconstituted water (prepared with American Society for Testing and Materials type I water).Results
The highest bioconcentration factors (BCFs) in the midgut gland were found for Ba, Zn, Se, As, U, Br, and Hg (in decreasing order), while the highest in the kidney were for Ba, Br, and Hg. The foot showed the highest BCFs for Ba, Hg, Br, and Se (in decreasing order). Calcified tissues (uterus, shell) and eggs showed low BCFs, except for Ba. Both C corpuscles and gland tissue showed statistically higher BCFs than K corpuscles for Ba, Fe, U, Br, and Sb. The concentration of most of the studied elements was significantly lower in tissues and endosymbionts obtained from snails cultured in reconstituted water instead of drinking water. Snails cultured in reconstituted water and then exposed or not to Hg, As, and U (at the maximum contaminant level allowed by the US Environmental Protection Agency) also resulted in high levels accumulated in midgut gland, endosymbionts and kidney.Conclusions
Our findings suggest that the midgut gland (and the symbionts contained therein), the kidney, and the foot of Pomacea canaliculata may be useful bioindicators of Hg, As and U pollution in freshwater bodies and that the unrestricted use of ampullariid snails as human and animal food must be considered with caution.. 相似文献3.
Fuhong Sun Yuanbo Yan Haiqing Liao Yingchen Bai Baoshan Xing Fengchang Wu 《Environmental science and pollution research international》2014,21(9):5836-5848
There is limited knowledge available on metalloid biosorption by freshwater algae. In this study, biosorption properties of anionic Sb(OH) 6 ? by naturally occurring cyanobacteria Microcystis were investigated as a function of initial pH, biosorbent dosage, contact time, and addition sequences of competitive ions, and their binding mechanisms were discussed. The biosorption process was fast and equilibrium was reached at 2 h. Sb(V) biosorption decreased with the increase of pH and the optimum pH range was 2.5–3.0, which corresponded with the changes of surface charges of the cell wall of Microcystis. The biosorption data satisfactorily followed the Freundlich model. The simultaneous addition of H2PO4 ? and Ca2+ enhanced Sb(V) biosorption, while NO3 ? greatly inhibited the biosorption, compared with single Sb(V) addition. The initial addition of the competitive ions reduced Sb(V) biosorption at higher Sb(V) concentrations, compared with simultaneous addition. A fraction of biosorbed Sb(V) was replaced by the competitive ions which were added subsequently, and the exchange only occurred at higher concentrations of Sb(V). 1.0 mol/L HCl demonstrated the highest desorption efficiency. Speciation analyses indicated that no reduction of Sb(V) into Sb(III) occurred. Based on the results of zeta potential and attenuated total reflection infrared spectroscopy spectra, Sb(OH) 6 ? bound to the biomass through electrostatic attraction and surface complexation, and amino, carboxyl, and hydroxyl groups were involved in the biosorption process. The study suggest that Microcystis from cyanobacteria blooms could be used as a potential biosorbent to remove Sb(V) from effluents at environmentally relevant concentrations (≤10.0 mg/L). 相似文献
4.
5.
《Atmospheric environment (Oxford, England : 1994)》2007,41(36):7977-7986
Results concerning the levels and elemental compositions of daily PM10 samples collected at four air quality monitoring sites in Palermo (Italy) are presented. The highest mean value of PM10 concentrations (46 μg m−3, with a peak value of 158 μg m−3) was recorded at the Di Blasi urban station, and the lowest at Boccadifalco station (25 μg m−3), considered as a sub-urban background station. Seventeen elements (Al, As, Ba, Co, Cr, Cu, Fe, Li, Mn, Mo, Ni, Pb, Sb, Sr, U, V, Zn) were measured by ICP-MS. Al and Fe showed the highest concentrations, indicating the significant contribution of soil and resuspended mineral particles to atmospheric PM10. Ba, Cr, Cu, Mn, Mo, Ni, Pb, Sb, V and Zn had higher concentrations at the three urban sampling sites than at the sub-urban background station. Besides soil-derived particles, an R-mode cluster analysis revealed a group of elements, Mo, Cu, Cr, Sb and Zn, probably related to non-exhaust vehicle emission, and another group, consisting of Ba, As and Ni, which seemed to be associated both with exhaust emissions from road traffic, and other combustion processes such as incinerators or domestic heating plants. The results also suggest that Sb, or the association Sb–Cu–Mo, offers a way of tracing road traffic emissions. 相似文献
6.
Optimization of ethylenediamine-grafted multiwalled carbon nanotubes for solid-phase extraction of lead cations 总被引:1,自引:0,他引:1
Hu ZJ Cui Y Liu S Yuan Y Gao HW 《Environmental science and pollution research international》2012,19(4):1237-1244
Introduction
Ethylenediamine-grafted multiwalled carbon nanotubes (MWCNTs-EDA-I and MWCNTs-EDA-II) are optimized and employed to investigate the preconcentration of lead ions (Pb(II)) in trace level. 相似文献7.
Hung-Lung Chiang Cho-Ching Lo Sen-Yi Ma 《Environmental science and pollution research international》2010,17(3):624-633
Introduction
The pyrolytic method was employed to recycle metals and brominated compounds blended into printed circuit boards (PCBs). 相似文献8.
Askın Birgül Yücel Tasdemir 《Environmental science and pollution research international》2011,18(3):396-406
Introduction
Ambient air and bulk deposition samples were collected between June 2008 and June 2009. Eighty-three polychlorinated biphenyl (PCB) congeners were targeted in the samples. 相似文献9.
Fernandez-Cortes A Cuezva S Sanchez-Moral S Cañaveras JC Porca E Jurado V Martin-Sanchez PM Saiz-Jimenez C 《Environmental science and pollution research international》2011,18(6):1037-1045
Purpose
We investigated the effects of human-induced disruption in a subterranean stable environment containing valuable Palaeolithic paintings and engravings (Ardales Cave, Southern Spain) using a double analytical approach. 相似文献10.
Negim O Mench M Bes C Motelica-Heino M Amin F Huneau F Le Coustumer P 《Environmental science and pollution research international》2012,19(3):847-857
Purpose
A former wood exploitation revealing high Cu and As concentration of the soils served as a case study for assisted phytoextraction. 相似文献11.
Anya Vollpracht Wolfgang Brameshuber 《Environmental science and pollution research international》2010,17(5):1177-1182
Objective
In this paper, results regarding the leaching of trace elements out of mineral building materials under irrigation are presented. 相似文献12.
Svanfelt J Eriksson J Kronberg L 《Environmental science and pollution research international》2011,18(6):871-876
Purpose
The direct aqueous photolysis of the thyroid hormone levothyroxine (T4) has been studied. 相似文献13.
Murtaza G Haynes RJ Kim KR Zia MH Naidu R Belyaeva ON 《Environmental science and pollution research international》2012,19(3):636-645
Purpose
The study examines if a short period of reaction after addition of biosolids to soils can reduce the solubility and potential phytotoxicity of biosolid-borne Zn and Cu. 相似文献14.
Mohanraj R Solaraj G Dhanakumar S 《Environmental science and pollution research international》2011,18(5):764-771
Background
Airborne fine particulates (PM 2.5) and its associated polycyclic aromatic hydrocarbons (PAHs) are reportedly hazardous in urban environment due to the presence of multiple emission sources. 相似文献15.
Balkıs N Aksu A Erşan MS 《Environmental science and pollution research international》2012,19(2):592-599
Introduction
In this study, total petroleum hydrocarbon (TPH) contents and some aliphatic and aromatic hydrocarbon concentrations were analysed in coastal sediments of hot points collected from along the Southern Black Sea Shelf. 相似文献16.
Li P Wang X Allinson G Li X Stagnitti F Murray F Xiong X 《Environmental science and pollution research international》2011,18(7):1090-1097
Background
Open-top chambers were used to study the impact of simultaneous exposure to atmospheric SO2 pollution and heavy metal contamination in soils on the metal contents and productivity of soybean plant. 相似文献17.
Mohamed F. Yassin Abdirashid A. Elmi 《Environmental science and pollution research international》2011,18(2):270-281
Introduction
Identifying geographic locations in urban areas from which air pollutants enter the atmosphere is one of the most important information needed to develop effective mitigation strategies for pollution control. 相似文献18.
Polycyclic aromatic hydrocarbons (PAHs) in surface sediments of Liaodong Bay,Bohai Sea,China 总被引:1,自引:0,他引:1
Ningjing Hu Xuefa Shi Peng Huang Jian Mao Jihua Liu Ying Liu Deyi Ma 《Environmental science and pollution research international》2011,18(2):163-172
Materials and methods
The levels and possible sources of 16 polycyclic aromatic hydrocarbons (PAHs) were investigated in the surface sediments of Liaodong Bay, Bohai Sea, China. 相似文献19.
Basso A Attademo AM Lajmanovich RC Peltzer PM Junges C Cabagna MC Fiorenza GS Sanchez-Hernandez JC 《Environmental science and pollution research international》2012,19(1):214-225
Purpose
In this study, we determined normal serum butyrylcholinesterase (BChE) and carboxylesterase (CbE) activities in Tupinambis merianae in order to obtain reference values for organophosphorus pesticide monitoring. 相似文献20.
Varotsos C Efstathiou M Tzanis C Deligiorgi D 《Environmental science and pollution research international》2012,19(1):295-300