influence of heavy metals concentration in three

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influence of heavy metals concentration in three

2020-06-15T02:06:49+00:00
  • Influence Of Heavy Metals Concentration In Three Common ...

    The concentrations of heavy metals consisting of iron, Zinc, Manganese, Copper, Lead, Cadmium and Chromium (Fe, Zn, Mn, Cu, Pb, Cd and Cr) in water and sediments in Akampa Local Government Area and their accumulation in fish organs (muscle, gills and liver) of three species of fish normally found inside the flow water have been investigated.

  • (PDF) INFLUENCE OF HEAVY METALS CONCENTRATION IN THREE ...

    influence of heavy metals concentration in three common fish, sediment and water collected within quarry environment, akamkpa l .g. area, cross river state, nigeria January 2013 Authors:

  • Heavy Metals Concentration of Dumpsites and Their ...

    This research was carried out to determine the concentration of heavy metals in soils of major dumpsites and their influence on soil physical properties in three major Cities in Southeastern Nigeria, namely; Owerri, Aba and Onitsha. Soil samples were collected randomly at depths 0 to 15cm, 15 to 30cm, 30 to 45cm. The samples

  • (PDF) INFLUENCE OF HEAVY METALS CONCENTRATION IN THREE ...

    PDF The concentrations of heavy metals including Iron, Zinc, Manganese, Copper, Lead, Cadmium and Chromium (Fe, Zn, Mn, Cu, Pb, Cd and Cr) in water...

  • What factors increase the concentration of heavy metals in ...

    The concentration of heavy metals in urban soils increases mainly due to waste generated by industries. Since these wastes contain large amount of heavy metals as well as carcinogenic .

  • Influence of pH and heavy metals in the determination of ...

    1991-08-01  Humic and Fulvic Acid Solutions as Well as Natural Water Samples Used for the Heavy Metal Quenching Tests Origin Concentration (mg / L) pH Humic acid B~irnsee 0.5 5.45 B~irnsee 2.7 5.57 B[irnsee 8.5 6.49 Fulvic acid Hohlohsee 0.6 5.65 Hohlohsee 3.1 6.03 Hohlohsee 12.2 .5"~. , 7 Podsol 2.5 5.45 Podsol 6. l 5.60 Podsol 12.3 5.20 Natural Water

  • Cited by: 7
  • Influence of Road Proximity on the Concentrations of Heavy ...

    Influence of Road Proximity on the Concentrations of Heavy Metals in Korean Urban Agricultural Soils and Crops. Kim HS(1), Kim KR(2), Kim WI(1), Owens G(3), Kim KH(4). Author information: (1)Division of Chemical Safety, Department of Agro-Food Safety, National Institute of Agricultural Sciences, Wanju, 55365, Korea. (2)Department of Agronomy and Medicinal Plant Resources, Gyeongnam National ...

  • Influence of pH and heavy metals in the determination of ...

    1991-08-01  Humic and Fulvic Acid Solutions as Well as Natural Water Samples Used for the Heavy Metal Quenching Tests Origin Concentration (mg / L) pH Humic acid B~irnsee 0.5 5.45 B~irnsee 2.7 5.57 B[irnsee 8.5 6.49 Fulvic acid Hohlohsee 0.6 5.65 Hohlohsee 3.1 6.03 Hohlohsee 12.2 .5"~. , 7 Podsol 2.5 5.45 Podsol 6. l 5.60 Podsol 12.3 5.20 Natural Water Samples Station Ay375 (m 1) pH

  • The influence of heavy metals on the formation of organics ...

    1998-07-01  The concentration of HCl was 685 ppm when the feedstock had no heavy metals, and it was reduced to 520 ppm with the addition of metals. The metals reacted with chlorine to form metal chlorides at high temperatures and reduced the amount of chlorine available to react with hydrogen to form HCl. The concentration of HCl increased when the amount of PVC was increased.

  • Influence of lead and cadmium on growth, heavy metal ...

    Influence of lead and cadmium on growth, heavy metal uptake and nutrient concentration of three lettuce cultivars grown in hydroponic culture August 2006 Communications in Soil Science and Plant ...

  • Influence of Compound Heavy Metal Pollution on Three Kinds ...

    Through pot experiment to research the influence of different concentrations of compound heavy metals pollution on Pakchoi, Brassica chinensis and Celery growth status and several physiological and biochemical indexes. The test results showed that: with the increasing of pollution concentration, the maximum leaf area, plant height, fresh weight of the overground part, catalase activity ...

  • Influence of different concentration of heavy metals on ...

    Influence of different concentration of heavy metals on the seed germination and growth of tomato Yaqvob Mami*, Golale Ahmadi, Masoud Shahmoradi and Hamid Reza Ghorbani Guilan University, Rasht, Islamic Republic of Iran. Accepted 26 February, 2011 Some heavy metals in higher doses may cause metabolic disorders and growth inhibition for most of the plant species. This study was

  • The influence of the occupational exposure to heavy metals ...

    The influence of the occupational exposure to heavy metals and tobacco smoke on the selected oxidative stress markers in smelters. Sciskalska M(1), Zalewska M, Grzelak A, Milnerowicz H. Author information: (1)Department of Biomedical and Environmental Analysis, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211, 50-556, Wrocław, Poland. The aim of the study was to verify if

  • The influence of bioavailable heavy metals and microbial ...

    2017-10-01  The application of a standardized and comprehensive method to evaluate soil bioavailable heavy metal and its influence on heavy metal concentrations in plants could improve understanding of the mechanism of heavy metal accumulation in plants. Thus, this study has evaluated the bioavailable heavy metals by using the first three fractions of BCR sequential extraction, and used this data to ...

  • Influence of pyrolysis temperature on characteristics and ...

    2019-02-01  The influence of the pyrolysis temperature on the characteristics and environmental risk of heavy metals (HMs) in biochar derived from SS were investigated. The HTP process at higher pyrolysis temperature (≥500 °C) resulting in a higher quality of SS-derived biochar and in HMs of lower toxicity and environmental risk, compared with direct SS pyrolysis. Surface characterization and ...

  • Effect of Heavy Metals on Plants: An Overview

    high metal concentration include inhibition of cytoplasmic enzymes and damage to cell structures due to oxidative stress [12, 13]. Indirect toxic effect is the replacement of essential nutrients at cation exchange sites of plants [14]. The negative influence of heavy metals on the growth and activities of soil microorganisms also indirectly affect the growth of plants. Reduction in the number ...

  • Influence of Compound Heavy Metal Pollution on Three Kinds ...

    Through pot experiment to research the influence of different concentrations of compound heavy metals pollution on Pakchoi, Brassica chinensis and Celery growth status and several physiological and biochemical indexes. The test results showed that: with the increasing of pollution concentration, the maximum leaf area, plant height, fresh weight of the overground part, catalase activity ...

  • Influence of different concentration of heavy metals on ...

    Influence of different concentration of heavy metals on the seed germination and growth of tomato Yaqvob Mami*, Golale Ahmadi, Masoud Shahmoradi and Hamid Reza Ghorbani Guilan University, Rasht, Islamic Republic of Iran. Accepted 26 February, 2011 Some heavy metals in higher doses may cause metabolic disorders and growth inhibition for most of the plant species. This study was

  • Influence of High Chloride Concentration on pH Control in ...

    The high concentration of background salts in wastewaters affects the solubility of heavy metals. For example, in hydrometallurgical wastewater such as the zinc refinery wastewater, the chloride ion is frequently present in concentration over 10,000 mg dm −3 . Such a high concentration of chloride causes the formation of soluble complex ...

  • The influence of the occupational exposure to heavy metals ...

    The influence of the occupational exposure to heavy metals and tobacco smoke on the selected oxidative stress markers in smelters. Sciskalska M(1), Zalewska M, Grzelak A, Milnerowicz H. Author information: (1)Department of Biomedical and Environmental Analysis, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211, 50-556, Wrocław, Poland. The aim of the study was to verify if

  • Heavy Metals Assessment in Water,Sediments and Some

    Table 2: Metals concentration (ppm) of sewage Sediments of El-Shekh pond at Elkharja, New Valley; presented data are means ± SE of measurements undertaken during April-July 2014. Estimation of heavy metal residues in fish organs exhibited different patterns of heavy metal accumulations, some above and other under the permissible limits (Table 3) reflecting fish history, organ specificity, and ...

  • A Review on Heavy Metals (As, Pb, and Hg) Uptake by Plants ...

    Heavy metals uptake, by plants using phytoremediation technology, seems to be a prosperous way to remediate heavy-metals-contaminated environment. It has some advantages compared with other commonly used conventional technologies. Several factors must be considered in order to accomplish a high performance of remediation result. The most important factor is a suitable plant species which

  • Mechanism and Health Effects of Heavy Metal Toxicity in ...

    2018-09-11  Several heavy metals are found naturally in the earth crust and are exploited for various industrial and economic purposes. Among these heavy metals, a few have direct or indirect impact on the human body. Some of these heavy metals such as copper, cobalt, iron, nickel, magnesium, molybdenum, chromium, selenium, manganese and zinc have functional roles which are essential for

  • Studies on Seasonal Variation and Effect of Heavy Metal ...

    Dry Season Variation of Concentration of Heavy Metals in Onne Port Sediment. The heavy metal concentration of sediment from Onne port was analyzed for two seasons. Their concentration in the dry season is recorded in Table 1. The concentration of Arsenic showed the highest for the sediments from the 15 sampling stations. Sampling stations 1-3 represented as ‘A’ exhibited the highest ...

  • Spatial Variability of Metals in Surface Water and ...

    3.2. Heavy Metals in Water. The descriptive statistic for studied metals (As, Cd, Co, Cr, Ni, and Pb) was presented in Table 5. The mean concentrations of the metals were observed in the order of As > Ni > Cr > Pb > Co > Cd (Figure 3). The coefficient of variance (CV) calculated reveals that the metals varied from the mean with the CV value higher than 80%. The high CV implies that measured ...

  • Location: 8600 Rockville Pike, Bethesda, MD
  • Effect of the composting process on physicochemical ...

    2019-05-16  Heavy metal concentration in compost is one of the main factors that restrict marketing and use due to bioaccumulation potential of these metals. Analysis of compost samples showed the presence of all eight (8) heavy metals: nickel, chromium, copper, zinc, cadmium, lead, arsenic, and mercury (Table 4).

  • Influence of High Chloride Concentration on pH Control in ...

    The high concentration of background salts in wastewaters affects the solubility of heavy metals. For example, in hydrometallurgical wastewater such as the zinc refinery wastewater, the chloride ion is frequently present in concentration over 10,000 mg dm −3 . Such a high concentration of chloride causes the formation of soluble complex ...

  • Heavy Metals Assessment in Water,Sediments and Some

    Table 2: Metals concentration (ppm) of sewage Sediments of El-Shekh pond at Elkharja, New Valley; presented data are means ± SE of measurements undertaken during April-July 2014. Estimation of heavy metal residues in fish organs exhibited different patterns of heavy metal accumulations, some above and other under the permissible limits (Table 3) reflecting fish history, organ specificity, and ...

  • Bioaccumulation of heavy metals in some commercially ...

    2019-10-17  Concentration of heavy metals and source identification. In the present study, T. toil had the highest concentration of As, whereas A. bato exhibited the maximum concentration for Pb, Cd and Cu, and P. chinensis had the highest concentration of Cr. The metal concentrations in the edible tissues were ranked in the following sequence: A. bato > P. chinensis > H. limbatus > T. toli > M. cephalus ...

  • The Influence of Seabirds on the Concentration of Selected ...

    Results indicate the evident influence of the avian colony on heightened soil pollution concentration in the Dunderdalen region, though the influence is not the same for all cases of heavy metals. In the context of seabirds' influence, attention is especially drawn to the low correlation of most metals with individual forms of P—generally only Cu and Zn, and Cd to a smaller extent, correlate ...

  • Studies on Seasonal Variation and Effect of Heavy Metal ...

    Dry Season Variation of Concentration of Heavy Metals in Onne Port Sediment. The heavy metal concentration of sediment from Onne port was analyzed for two seasons. Their concentration in the dry season is recorded in Table 1. The concentration of Arsenic showed the highest for the sediments from the 15 sampling stations. Sampling stations 1-3 represented as ‘A’ exhibited the highest ...

  • Heavy Metals - Lenntech

    Bioaccumulation means an increase in the concentration of a chemical in a biological organism over time, compared to the chemical's concentration in the environment. Compounds accumulate in living things any time they are taken up and stored faster than they are broken down (metabolized) or excreted. Heavy metals can enter a water supply by industrial and consumer waste, or even from acidic ...

  • Guidance on Heavy Metal Impurities in Cosmetics - Canada.ca

    Heavy metals are found naturally in the environment in rocks, soil and water, and may therefore be found in pigments and other raw materials in all industries including the cosmetics industry. Some of these metals have been used as cosmetic ingredients in the past. Examples include the preservative thimerosal (mercury), the progressive hair dye lead acetate and a number of tattoo pigments such ...

  • Heavy Metal Stocks and Concentrations in Forest Soils ...

    2019-09-10  7.3.2 Influence of the Parent Rock on Heavy Metal Concentrations in the Mineral Soil. One of the most important factors influencing heavy metal concentrations in the mineral soil is the parent rock (see Chap. 2). Heavy metal concentrations in the mineral soil vary depending on the geogenic base concentration of the parent rock. Heavy metal concentrations elevated as a result of geogenic ...

  • Influence of Heavy Metals on Seed Germination and Early ...

    In Crambe, higher Cu concentration (0.7 mM or 44.8 mg∙L−1 and above) de-creased Crambe seed germination significantly [26]. In our experiment, all Cu concentrations tested (0.3 - 1.2 . Y. Zhi et al. 584 Figure 1. Influence of heavy metals on relative seed germination in Eruca. Note: Cd: C0 = 0, C1 = 0.10 mM, C2 = 0.20 mM, C3 = 0.30 mM, C4 = 0.38 mM, C5 = 0.46 mM; Cr: C1 = 0.05 mM, C2 = 0 ...

  • Influence of Sediment Characteristics on Heavy Metal ...

    Influence of Sediment Characteristics on Heavy Metal Toxicity in an Urban Marsh - 91 - Influence of Sediment Characteristics on Heavy Metal Toxicity in an Urban Marsh* Carolyn S. Bentivegna, Joy-Elaine Alfano, Sean M. Bugel, and Katarzyna Czechowicz Department of Biology, Seton Hall University, South Orange, NJ 07079; [email protected] * Published online December 16, 2004 Abstract Abstract ...