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heavy metals

Papers (742)

A Review of Potential Metal Toxicity and Mineral Deficiency in Autism

Archana Singh Sikarwar, Hema Balakrishnan, Shiow Pyng Tong, Koh Vi Vien, Jason Yoong, Nang Sue Chin, Lim Jiayi & Tye Kar Yee · International Journal of Biochemistry Research & Review · 2015

A Review of Potential Metal Toxicity and Mineral Deficiency in Autism  Autism is a neurodevelopmental disorder that predominantly affects the younger generation.  The etiology which contributes to the occurrence of autism is not well defined. However, apart from genetic factors,...

Open access Research Article 10.9734/IJBCRR/2015/13913

Phytoremediation Potentials of Common Nigerian Weeds for the Purpose of Cleaning up a Lead-Zinc Derelict Mine

J. O. Oti Wilberforce · Chemical Science International Journal · 2015

Six common Nigerian weeds namely Helianthus annus, (Sunflower), Imperala cylindrical (Sword grass), Sida acuta burn (Broom weed), Gossypium spp (Cotton), Eleusine indica (Goose grass) and Chromoleaeceae Odarata (Siam weed) grown around Enyigba lead mines were investigated within...

Open access Research Article 10.9734/ACSJ/2015/16268

Heavy Metal Concentrations in Sewage Effluent from Durumi, Federal Capital Territory (FCT), Abuja, Nigeria

B. W. Tukura & I. F. William · International Research Journal of Pure and Applied Chemistry · 2015

The research was carried out to assess physicochemical and metal qualities of sewage effluent from Durumi in Gudu District of FCT, Abuja. Sewage effluent samples were collected during the dry and rainy seasons in 2014, and analyzed for some physicochemical parameters and heavy me...

Open access Research Article 10.9734/IRJPAC/2015/14220

Determination of Heavy Metal Concentration in Surface Waters of the Western Highlands of Cameroon

D. N. Tarla, V. M. Bantar, M. Y. C. Mfopou, D. Fotio & D. A. Fontem · Journal of Geography, Environment and Earth Science International · 2015

Heavy metals originating from the use of fertilizers and pesticides are toxic pollutants that limit the beneficial use of water for agricultural, domestic and industrial applications. Three vegetable production basins in the Western Highlands of Cameroon (Bafou, Foumbot and Santa...

Open access Research Article 10.9734/JGEESI/2015/15726

Removal of Co2+ and Ni2+ Ions from Aqueous Solutions by Low Cost Synthetics Na-4-mica

F. S. Hashem & Z. Ali Alahmad · Chemical Science International Journal · 2015

A high charged density sodium fluorophlogopite mica Na-4-mica, ideal chemical structure Na4Si4Al4Mg6O20F4.xH2O, was prepared by a simple and economic method using kaolinite as a source for SiO2, Al2O3 and MgO. The prepared mica was characterized by using XRD, DSC and SEM. Na-4-mi...

Open access Research Article 10.9734/ACSJ/2015/15191

Assessment of Chickens Fed with Solid Wastes in Terms of Heavy Metal Contents in Zaria Metropolis, Nigeria

S. Uba, A. Uzairu, M. S. Sallau & H. Abba · Journal of Scientific Research and Reports · 2015

The concentrations of Zn, Pb, Cu, Cd and Hg were spectrophotometrically determined in local chickens that were fed with the solid wastes for three months and dumpsite-soils in both dry and wet seasons. Dumpsite-leachates were analysed in wet season only across the sites. A total...

Open access Research Article 10.9734/JSRR/2015/11651

Identification of a Biochemical Indicator in Plants for Heavy Metal Contamination

Sonali Hazra Das, Mahasweta Paul, Shankha Ghosh Dastidar, Tulika Das & Srabanti Basu · Biotechnology Journal International · 2014

Aims: To identify a biochemical parameter in a plant(s) that can serve as an indicator of heavy metal pollution. Study Design: Design of the study includes collection of plant samples from a contaminated site and a rural site and to check their biochemical parameters related to o...

Open access Research Article 10.9734/BBJ/2015/14303

Heavy Metal Speciation in Some Selected Farms Treated with Urban Solid Waste, in Jos South, Plateau State, Nigeria

Nanven D. Nimyel, J. N. Egila & Y. N. Lohdip · International Research Journal of Pure and Applied Chemistry · 2014

The speciation of metals in environmental samples is a serious factor in appraising the potential environmental impacts, before their disposal. The six step extraction procedure previously proposed by Obasi et al. was used with modification to systematically study the speciation...

Open access Research Article 10.9734/IRJPAC/2015/14179

Biosorption of Metal Ions from Aqueous Solution by Immobilized Moringa oleifera Bark

B. J. Tizhe, S. A. Osemeahon, I. I. Nkafamiya & M. H. Shagal · International Research Journal of Pure and Applied Chemistry · 2014

This study investigated the effectiveness of immobilized Moringa oleifera bark (IMOB) for the removal of heavy metal ions from waste water. The concentration of residual metal ion concentration was determined using Atomic Absorption Spectrophotometer (AAS). The immobilization of...

Open access Research Article 10.9734/IRJPAC/2015/13712

Determination of Heavy Metal Contamination in Lagos Dumpsites Using Earthworms as Bio-indicators

Fabunmi Idera & Osibanjo Oladele · Journal of Scientific Research and Reports · 2014

In an attempt to determine the level of heavy metals contamination and factors affecting their adsorption in living organisms, soil and earthworms (Eudrilus eugeniae) were used at four registered dumpsites within Lagos metropolis. Three of the dumpsites were active; Abule Egba, O...

Open access Research Article 10.9734/JSRR/2015/12971

Evaluation of Heavy Metals in Road Dust in Jos, Plateau State, Nigeria

Temitope Ruth Alonge-Emmanuel, Fatai Afolabi Ayeni, Dorcas Joseph, Emily Dada & Florence Dennis Uzuh · International Research Journal of Pure and Applied Chemistry · 2014

An investigation of the heavy metal contents in road dust is vital in assessing the potential environmental impacts of vehicular emissions on the soil. In this study, dust samples were collected from Jos metropolis and were analysed for heavy metals (Pb, Zn, Mn, Cu, Co, Cd and Fe...

Open access Research Article 10.9734/IRJPAC/2015/14150

Water Quality Characteristics of Floodwater from ABA Metropolis, Nigeria

E. C. Ogoko, D. Emeziem & I. Osu Charles · Chemical Science International Journal · 2014

Aims: To report the extent of contamination of floodwater by physicochemical parameters (total suspended solids, total dissolved solid, chemical oxygen demand, biochemical oxygen demand, dissolved oxygen, electrical conductivity, nitrate, nitrite, chloride and sulphate  and heavy...

Open access Research Article 10.9734/ACSJ/2015/12649

Some Trace Metals Pollution of Black Sea Anchovy from Crimean Coastal Region (Black Sea and Azov Sea)

Irina I. Rudneva, Dmitri A. Boldyrev, Ekaterina N. Skuratovskaya & Andrei V. Zav’yalov · Advances in Research · 2014

Aims: The  aim  of the  present study was  to detect  the level of three heavy metals cooper, zinc and lead in tissues of commercial fish species  anchovy Engraulis encrasicolus in  six regions  of Crimean coastal waters (Black Sea and  Azov  Sea),  and to compare them with  the...

Open access Research Article 10.9734/AIR/2015/10756

Comparative Chelate-assisted Phytoextraction ofHeavy Metals by Jatropha curcas, Jatropha gossypifolia and Jatropha multifida Cultivated onSoil Collected from Selected Dumpsites in Ekiti State, Nigeria

E. E. Awokunmi · Current Journal of Applied Science and Technology · 2014

Background: It is needful to design a process that will lead to the use of fast growing tropical plants for phytoextraction studies. Study Design: It is an analytical study. Place and Duration of Study: The study was conducted between October 2010 and June 2012 on selected dumpsi...

Open access Research Article 10.9734/BJAST/2015/9363