Bioaccumulation of heavy metals in soil and selected food …

Assessment of the Impact of Gas Flaring on the pH, Cd, Pb, Cu, Zn…

This paper is focused on the possible impact of gas flaring on the pH, Cd, Pb, Cu, Zn, Fe, and Mn concentrations in the rainwaters of Jeddo community, Delta State, Nigeria. The Rainwater samples were collected from two locations in the community. The samples were then taken to the laboratory for analyses. The result for the pH for both samples of …

Evaluating the Concentration of Pb, Hg, Co, V, As, Fe, Cu, Cd, …

Inorganic contaminants which consist of toxic metals and salts are notable for their wide environmental dispersion and their tendency to accumulate in the tissues of the human body. Heavy metals are the major inorganic contaminants in abattoir soils. These metals, even at relatively low concentrations, are toxic. Hence the objective of …

Assessment of heavy metals (Pb, Cd, Zn and Cu) …

The PLI is aimed at providing a measure of the degree of overall contamination at a sampling site. Fig. 3 shows metals. Pb Cd Zn Cu Pb Cd Zn Cu 1.00 0.84 0.901 0.894 1.00 0.958 0.985 1.00 0.989 1.00 results of the PLI for the four (4) metals studied at these sites.

Maximum allowable limits (MAL) and target values for heavy metals …

The concentration of the metals (ppm) followed the trend: Fe (16,265–90,512) > Mn (116.3–1657) > Zn (16.5–338) > Cu (2.62–75.5) > Cr (4.5–29.25) > Pb (2–104.5) > Co (2.5–26) > Ni (1. ...

Concentrations of Mn, Fe, Cu, Zn, Cr, Cd, Pb, Ni in selected …

This study was designed to determine the levels of microminerals (manganese (Mn), iron (Fe), copper (Cu), zinc (Zn), chromium (Cr)) and heavy metals …

Toxic metals bioremediation potentials of Paenibacillus

Request PDF | Toxic metals bioremediation potentials of Paenibacillus sp. strain SEM1 and Morganella sp. strain WEM7 isolated from Enyigba Pb–Zn mining site, Ebonyi State Nigeria | Heavy metal ...

Phytoremediation of toxic metal polluted soil: screening for …

Ten plant species were identified and sampled from seven sites in the study. Eighty-one soil samples were collected. Both plant and soil samples were digested in acid mixtures, extracted and were analysed for V, Mn, Ni, Cu, Zn, Pb and Mo. The amount of metals accumulated and translocated in plant tissues was calculated to determine native …

(PDF) Screening of Native Plants Growing on a Pb/Zn …

As, Cd, Cu, Ni, Sb, Pb, and Zn in digested soil or plant samples were then analyzed in ICP-AES (inductively coupled plasma–atomic emission spectrometry; Ultima2 JY, Horiba Company, Edison, NJ,

Source analysis and ecological risk assessment of heavy …

This study investigates the contents of Zn, Cu, Pb, Cd, and Ni in wheat grains and soil samples. Moreover, different methods are used to evaluate soil heavy …

Determination of Zn, Pb, Cu, and Hg in soils of Ekpan, Nigeria

Semantic Scholar extracted view of "Determination of Zn, Pb, Cu, and Hg in soils of Ekpan, Nigeria" by J. Omgbu et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 220,941,251 papers from all fields of science. Search.

Pollution and Health Risks of Potentially Toxic Elements in …

In this study, the pollution and health risks of potentially toxic elements (PTEs) in dust from selected roads in Ibadan metropolis, Southwestern Nigeria, were assessed. Sixty-three road dust samples (including control soils) were collected and analyzed for PTEs [zinc (Zn), copper (Cu), nickel (Ni), lead (Pb), cadmium (Cd), and vanadium (V)] using …

Concentration of Pb, Fe, Zn, Cu and Cd in Soil, Vegetable …

The concentration of some selected heavy metals (Cd, Fe, Cu, Zn, and Pb) in water, soil and plant (Telifaria Occidentalis) grown in two different farmlands located in Bwari, Abuja, Nigeria was investigated using an Atomic Absorption Spectroscopy (AAS). The results obtained indicated the following mean concentration for the heavy metals in water (mg/l): …

Assessment of the Impact of Gas Flaring on the pH, Cd, Pb, Cu, Zn…

This paper is focused on the possible impact of gas flaring on the pH, Cd, Pb, Cu, Zn, Fe, and Mn concentrations in the rainwaters of Jeddo community, Delta State, Nigeria. The Rainwater samples were collected from two locations in the community. The samples were then taken to the laboratory for analyses.

Concentrations of Mn, Fe, Cu, Zn, Cr, Cd, Pb, Ni in selected …

The daily intakes (e.g., Cu, V, and Zn) and the weekly intakes (e.g., Cd, Ni, Pb, and Hg) were below the permissible limits. The hazard index (HI) values (i.e., HI ≤ 1.0) posed no hazard to adult consumers, but the cumulative cancer risk due to Cr, Ni, As, and Pb exceeded the benchmark (10 −5). Health risk indices above the acceptable ...

Biochemical Profile and Bio-Concentration of Cu, Hg, Pb and Zn …

This study investigated Aspartate aminotransferase (AST), Alanine aminotransferase (ALT) and Alkaline Phosphatase (ALP) in the liver tissue as well as bio-concentration of Zn, Cu, Pb and Hg in ...

Screening of Native Plants Growing on a Pb/Zn Mining Area …

Screening of native plant species from mining sites can lead to identify suitable plants for phytoremediation approaches. In this study, we assayed heavy metals tolerance and accumulation in native and dominant plants growing on abandoned Pb/Zn mining site in eastern Morocco. Soil samples and native …

Assessment of Pb, Zn, As, Ni, Cu, Cr and Cd in Agricultural …

PDF | On Nov 27, 2018, A. Chukwu and others published Assessment of Pb, Zn, As, Ni, Cu, Cr and Cd in Agricultural Soils around Settlements of Abandoned Lead-Zinc Mine in Mkpuma Ekwoku, South ...

Industrial Activities and Heavy Metal Pollution: …

Assessment of Concentration of Zn, Cu, Cd Cr and, Pb in Soil Samples around Dangote Cement Factory Kogi State, Nigeria Sani Daniel Eneji1, Matthew Chijioke Apeh2, Enyojo Samson Okwute3,

Assessment of heavy metals contamination of soil and …

Local Government Area of Bauchi State, Nigeria Received 3 May, 2017 Revised 25 May, 2017 Accepted 29 May, 2017 Published 8 June, 2017 ... Zn, Cu and Pb concentrations exceeded the Dutch target values (Zn: 50 mg/kg, Cu: 30 mg/kg, and Pb: 85mg/kg) in all the sampling sites. The results of the analysis of the water samples were

Levels of Aflatoxin M1 and selected heavy metals (Pb, Cd, Cr, Cu, Zn …

However, no significant changes in means of TG, Zn, Cu, Pb, Cd, Cr, Fe, Mn and Se in the breast milk samples of test subjects were seen when values were compared with respective corresponding control.

Assessment of Levels and Health Risks of Trace Metals in …

The estimated food intake of trace metals is a critical instrument needed to assess the danger posed by heavy metals in food crops. Our results revealed that …

A Review of the Health Implications of Heavy Metals in Food …

Of all the heavy metals found in the literature, Pb, Cd, Hg, and Mn have the highest health risk index (HRI) in Nigeria because of their bioavailability. These heavy …

Assessment of bioremediation potential of metal contaminated soils (Cu

Metal accumulation in earthworm tissues varied according to the type of metal. Metal concentration in earthworm tissues ranked as Zn ≫ Pb and Cu ≫ Cd (Table 1)pared with E. fetida and A. morrisi, Zn concentration of A. corticis was 33.3–92.1% higher (P < 0.05). Significantly higher Cu and Cd concentrations were found in the native …

(PDF) Heavy metals (Cd, Pb) and trace elements (Cu, Zn) …

"The heavy metal Zn values obtain in this study are similar to values of Zn in food reported in some studies" [31,42], but are higher than the range (0.04 to 0.19 mg/kg) reported by Edem et al. in ...

Levels of Heavy Metals in Human Hair and Nail Samples …

Determination of Cu, Zn, Co, Mn, Fe, Cr, Cd As, Ni and Pb were made directly on each final solution using Atomic Absorption Spectrophotometer (AAS, Unicam 969). Standard solution of each sample Cu, Zn, Co, Mn, Fe, Cr, Cd As, Ni and Pb were prepared according to Sc 2000 manufacturer procedure for Atomic absorption …

Determination of Heavy Metals (Cd, Cr, Cu, Fe, Ni, Pb, Zn) by …

The Pb, Zn, Cu mobility factor was significantly higher in SM soils than in SS soils. These results indicate that anthropic activities related to ore concentration and mining process lead to ...

A Review of Heavy Metal Contamination of Food Crops in …

Evidence shows that vegetables and other food crops consumed in Nigeria are contaminated by heavy metals, and this is associated with adverse health issues, …

Ion exchange removal of Cu(II), Fe(II), Pb(II) and Zn(II) from …

This study presents the pH performance of six selected IX resins in extracting Cu 2+, Fe 2+, Pb 2+ and Zn 2+ from acetic, lactic and citric acid media simulated weak acid leachate. Acetic acid media displayed limited suppression of metal extraction, whilst lactic and citric acid media rendered MTS9100 ineffective.

Phytoremediation of toxic metal polluted soil: screening for …

Ten plant species were identified and sampled from seven sites in the study. Eighty-one soil samples were collected. Both plant and soil samples were digested in …