trace metal
Trace metal storage in lake systems and its relationship with atmospheric deposition with particular reference to Lochnagar, Scotland
... of trace metals to the atmosphere has increased (Steinberg and Tayarani-dastmalian, 1993; Nrigau and Pacyna, 1988), atmospheric deposition is regarded as one of the major sources of trace metals in ...
341
Trace metal exposure is associated with increased exhaled nitric oxide in asthmatic children
... assessing trace metal exposure of children and respiratory ...results. Trace metal exposures were estimated using filter samples collected at a central monitoring ...
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Trace Metal Composition of Soil around Selected Pharmaceutical Industries in Kaduna, Nigeria
... and trace metal compositions of soil around selected pharmaceutical industries in Kaduna metropolis were investigated in this ...of trace metal in this area so as to ensure environment ...
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Distribution pattern of trace metal pollutants in the sediments of an urban wetland in the southwest coast of India
... of trace metals in the sediments of Kottuli Wetland,whuich is in the south west coast of India Eight stations were strategically positioned along the length of wetland and sampled for trace metals (Cu, Mn, ...
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Nutritive Evaluation and Trace Metal Contents of Commercial Edible Mushroom –Agaricus bisporus
... that have been found to be useful towards human health development as food, medicine, minerals and drugs among others [5]-[6]. Mushrooms are considered as bio-accumulators of heavy metals. The ability of mushroom ...
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Analytical Relevance of Trace Metal Speciation in Environmental and Biophysicochemical Systems
... Trace metal pollution of soils is a pervasive problem that often constitutes serious short- and long-term risks for humans, plants, groundwater quality and ecosystem ...heavy metal contamination in ...
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Factors affecting the response of marine and estuarine bacterial communities to trace metal enrichment
... of trace metal inputs to estuarine and coastal environments are of anthropogenic origin ...other metal purification methods and the manufacture and use of metallic ...of trace metals as a ...
214
Industrialization Emission (Trace Metal, Nitrogen and Phosphorus) Modified Coastal Climate
... Objectives: As a result of global warming, precipitation is likely to increase at certain area (high latitudes). However, the mechanisms that human activity is influenced by global climate change are far from completely ...
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Trace Metal Contamination in Urban Sediments in Port Louis, Mauritius
... Cu, Zn and Pb were determined in the extracted solution from surface sediments collected during the period September 2009–July 2013 using a UNICAM 929 Atomic Absorption Spectrometer (AAS) (Analytical Technology Inc. ...
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Trace Metal Concentration in Two Matrices in an Urban Subtropical River
... The Mukuvisi River, drain the greater part of the city of Harare, the most industrialized and urbanized city in Zimbabwe [12]. As a result, the river displays a gradient in pollution as most of the urban, agricultural ...
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Comparative Trace Metal Physiology in Aquatic Insects.
... tissue metal concentrations because they readily accumulate trace metals, yet are able to tolerate high levels of metal ...tissue metal concentrations in Hydropsyche spp. along a metal ...
215
Trace metal and aflatoxin concentrations in some processed cereal and root and tuber flour
... essential trace metals may produce toxic effect at high concentrations (Celik and Oehlenschlager 2007; Tuzen ...2009). Trace metal accumulate in human or- gans such as liver, kidney, bone and causes ...
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Trace Metal Concentrations in Pine Needles at Varying Elevation in Proximity to Roadways in an Urban Environment
... that are crucial for biological growth [2]. Guardo et al . (2003) shown that conifer needles have additional resin channels enabling the uptake of metals and can be more effective in accumulating compounds relative to ...
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TRACE METAL CONCENTRATION AND ANTIMICROBIAL EFFICACY OF SELECTIVE MEDICINAL PLANTS, SOUTHERN INDIA
... the trace metals are essential for plant growth whereas many of them affect the plant physiology (Shaw, ...of trace metal pollutants causing injury to plants either by direct toxic effect or ...
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Trace Metal Analysis of A Drinking Water Resource of Central India
... After collecting the sample, 5.0 ml concentrated nitric acid was added in one liter of sample for long-term preservation. The reason of adding nitric acid is to maintain the pH of sample below 4. Later on, the sample was ...
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Trace metal accumulations in soils on and around ancient settlements in Greece.
... The pottery and tile peaks over site foci can of course remain even if the soil fines, their original context, have washed away, but the peak accumulations of remnant magnetic components[r] ...
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Spatial and temporal trends in trace metal deposition in Canterbury, New Zealand
... RESULTS AND DISCUSSION 6.3.1 Redox potential, pH and organic content of peat profiles 6.3.2 Total metal distributions a Lead b Zinc c Copper d Manganese e Cadmium f Calcium 6.3.3 Chronol[r] ...
179
Predicting trace metal solubility and fractionation in urban soils from isotopic exchangeability
... non-labile metal (Cd, Cu, Ni, Pb and Zn) as a % of total soil metal content in MA (n=23) and Urban (n=50) soils, grouped by pH ...labile metal, only, between particulate humic and fulvic acid (HA and ...
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Aspects of the interaction of trace metal ions with calcium carbonate
... The percentage of copper in these crystals was also significantly higher than the percentage of nickel in crystals doped with nickeL Therefore, if Ni 2+ and Cu 2+ affected the growing ca[r] ...
215
Ecological Assessment for Trace Metal Pollution in a Freshwater Ecosystem
... heavy metal concentrations detected were shown to have varying concentrations at different locations of study over the sampling ...overall metal content in the Anambra ...heavy metal concentrations ...
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