Metal contaminants
Seasonal Bioavailability of Heavy Metal Contaminants From the University of Lagos Lagoon, Nigeria
... heavy metal contaminants Cd, Cr, Cu, Pb and ...between metal distribution in the dry and wet ...high. Metal bioavailability by BCR indicates a potential risk of pollution in lagoon sediments ...
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A New Approach To Biosorption Of Heavy Metal Contaminants (Chromium, Lead) Using Spirulina (Arthrospira Platensis)
... each metal concentration. The effect of the initial metal ion concentration for the same dosage was studied at contact time of 120 minutes ...lower metal concentrations is greater than that of higher ...
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Soluble and particulate metal contaminants in some hand-dug wells in kaduna metropolis
... Heavy metals are elements having atomic weights between 63.546 and 200.590 and a specific gravity greater than 4.0. They exist in water in colloidal, particulate and dissolved phases [2] with their occurrence in water ...
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Assessment of Heavy Metal Contaminants Using Pollution Indices in Ankobra River at Prestea Huni Valley District, Ghana
... The reliance of communities on River Ankobra as the source of drinking wa- ter makes the assessment of its quality very imperative to human health and environmental management. The objective of this work was to ...
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Phytoextraction of Metal Contaminants by Typha Angustifolia: Interaction of Lead and Cadmium in Soil Water Microcosms
... After 30 days, Group 4 microcosms had soil lead lev- els of approximately 1,658 663 mg/kg as compared to 998 11 mg/kg in Group 3 microcosms and the soil lead level in Group 4 microcosms was higher than Group 3 ...
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Efficacy of Pheretima species for accumulation of heavy metal contaminants
... substantial metal substance is commonly utilized as a constraint for portraying pollution of dirt (Sary and Sari, ...Generous metal storing up in soil organic frameworks meddle with the improvements and ...
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Determination of Heavy Metal Contaminants in Leafy Vegetables Cultivated By the Road Side
... heavy metal with high poisonous ability and it is a non-essential element in foods and natural waters and it accumulates principally in the kidneys and liver (Divrikli et ...
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Dissolution of Soil Heavy Metal Contaminants as Affected by pH and Redox Potential
... intermediate metal concentrations are needed (20 to 50 mg Cu kg -1 , 60 to 100 mg Zn kg -1 ...soil metal concentration significantly influenced metal mobility at pH ...dissolved metal ...
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Application of Electrocoagulation and Electrolysis on the Precipitation of Heavy Metals and Particulate Solids in Washwater from the Soil Washing
... remove metal contaminants from soils by employing physical separation based on mineral pro- cessing technologies to remove discrete particles or metal-bearing particles and/or chemical ex- traction ...
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Solidification and Stabilization of Contaminated Soil
... One of the first field demonstrations of in situ stabilization/solidification process was undertaken in April 1988. The site involved was General Electric Co. electric service station in Hialeah, FL. The site was ...
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Survival in a globalised economy : maintaining the competitiveness of Kingston as a transhipment port
... Once the primary product has already contaminant contents its residue will contain higher metal contaminants. alter the refining process. it requires blending.. with lighter components. T[r] ...
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Assessment of Some Heavy Metals Concentration and Antioxidant Activity in Barley Grain Cultivars and Their Malts from Iran
... heavy metal contaminants; lead and cadmium in samples of barley and malt, also some nutrition trace elements; zinc and copper and total antioxi- dant ...
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Activity-Directed Synthesis with Intermolecular Reactions: Development of a Fragment into a Range of Androgen Receptor Agonists
... significant exploration of chemical space, we showed that a random selection of reactions yielded several products, including, in general, those of both inter- and intramolecular reactions (see the Supporting ...
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Search | Preprints
... procedure. Although the performance of treatment plants was not found perfect but they are working good and the effect of each treatment step including coagulation, sedimentation, filtration, and disinfection is visible. ...
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Prevalence and Management of Laboratory Microbial Contaminants in Plant Tissue culture
... Microbial contamination is one of the major challenges militating the application of in vitro micro-propagation technique for mass production of disease-free planting malaria at plant tissue culture laboratory of ...
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A note on sewage sludge risk assessments and fertilization value
... persistent contaminants in sludge, biodegradation and behaviour in soil, absence of crop uptake and sludge application practices minimize the potential impacts of OCs in sludge on soil quality, human health and ...
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Modified resins for solid phase extraction
... solute contaminants by contacting an aqueous solution containing polar organic solute contaminants with a functionalized polystyrene-divinyl benzene adsorbent resin, with the functionalization of said resin ...
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Prevention of Toxity In Petroleum Polluted Soil Through Plants
... as contaminants in environmental soil and the utilization of plant-related endophytic microbes and rhizospheric microscopic organisms to debase these toxic organic ...
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Use of Nanomaterials in the Detection of Food Contaminants
... Nanomaterials incorporated into the various biosensors and nanosensors enable the use of biological components to react or bind with a target molecule and transduce this event into detectable signals to help in rapid ...
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Semi annual summary research report in engineering for January–June 1959
... yttrium metal lanthanum metal cerium metal neodymium metal praseodymium metal gadolinium metal lutetium metal erbium metal ytterbium metal samarium metal terbium metal dysprosium metal h[r] ...
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