heavy metals
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TítuloKinetics of inhibition in the biodegradation of monoaromatic hydrocarbons in presence of heavy metals
... Since heavy metals could partly precipitate in the aqueous medium used in the assays, their initial concentration was checked by atomic absorption spectrophotometry on a Varian SpectrAA 300/400 (Madrid, ...
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Concentration of heavy metals in condensed atmospheric water vapor at three Mexican localities
... The site in Mexico City is next discussed regard- ing the concentration levels of heavy metals (trace ions) in condensed atmospheric water vapor (Table I). This site is characterized as an urbanized ...
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Heavy metals determination by ICP AES coupled with ultrasonic nebulization using the lichen Usnea densirostra (Tayl ) as biomonitor pollution in San Luis, Argentina
... of heavy metals was determined in the lichen using Electrothermal Atomization Atomic Spectrometry (ETAAS) and Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES) associated with an ultrasonic ...
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Microbial interactions with heavy metalsExpulsion of heavy metals in bacteriaInteraction mechanisms with chromate and the biotechnologicalpotential of native fungi rootstocks from industrialResistance and accumulation mechanisms of heavy m
... to heavy metals, commonly present in their ionized ...and metals may be helpful to understand the relations of toxic metals with higher organisms such as mammals and ...with heavy ...
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Evaluation of the potential for adaptation of "Lippia berlandieri" in soils contaminated with heavy metals
... containing heavy metals to the atmosphere, an experiment was conducted comparing the growth rates of the plant in 4 different substrates: tailings, compost, soil of the region and a mixture of "tailings ...
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Biosorption of heavy metals from aqueous solutions using keratin biomaterials
... of heavy metals by chemically-modified human hair From the above part we can come to the conclusion that H2 (oxidized hair) shows the best biosorption ...
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Biosorption of heavy metals by use of microbial biomass
... remove heavy metal ions from water and their utilization as biosorbents for heavy metal removal, offers a potential alternative to the existent methods for the detoxifi- cation and recovery of ...
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AMENDMENTS FOR SOILS CONTAMINATED BY HEAVY METALS (LEAD, CHROMIUM) OF INDUSTRIAS METALMECÁNICAS
... This research was developed to evaluate the reaction capacity of Helianthus annuus by incorporating a substrate contaminated with heavy metals, and to propose an economical, simple and natural alternative. ...
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Determining heavy metal contamination of road dust in Delhi, India
... In this study, for the purpose of this exercise, a data matrix consisting of nine sites and six metals was considered (Rajaram et al., 2014). PCA was per- formed by applying varimax rotation with Kaiser’s ...
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Aprovechamiento de los ambientes reducidos para la produccin de organismos acuticos susceptibles a cultivo, para el consumo humano
... evaluated; heavy metals in sediment and organisms were assessed; presence and sanitary quality of crayfi sh was proven, through qualitative and quantitative analysis of its bacteria charge; nutritional ...
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Fotocatálisis heterogénea de colorantes azoicos hidrolizados y efluentes textiles simulados sobre nanopartículas inmovilizadas de TIO2
... of heavy metals, intensive use of nutrients and organic pollutants, etc Some of tools used to try solve these problems are water disinfection, wastewater treatment before discharge into water supplies, ...
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Application of X-ray Synchrotron Based Techniques to the Study of the Speciation, Sorption and Bioavailability of Hg in Environmental and Biological Systems
... Toxicity of mercury is determined by the likelihood of exposure, the geochemical and ecological factors influencing its evolution and migration within the environment (such as soil type, redox potential, pH, reaction ...
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