Cd2+ and Pb2+-ions
Biosorption of Cr3+, Pb2+, and Cd2+ ions from aqueous solution using modified and unmodified millet chaff
... The potential of both the modified and unmodified millet chaff- an agricultural solid waste as adsorbent were investigated in this work. The adsorbent was used to remove Pb 2+ , Cr 3+ and Cd 2+ ions from aqueous ...
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Removal of Pb2+ and Cd2+ Ions, Colour and Turbidity from Water Using Carbon and Ash Derived From Maize Cobs
... metal ions from water such as use of activated carbon are very expensive and unaffordable to low income ...(II) ions and remove methylene blue and turbidity from contaminated ...(II) ions from the ...
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Utilization of Polyacrylamide grafted Brewer Spent Grain (BSG) for Sorption of Cd2+, Cu2+ and Pb2+ ions in aqueous solution
... metal ions (Na + , K + ) and alkaline earth metal ion (Ca 2+ , Mg 2+ ...metal ions. This coexistence of metal ions in the aqueous solution occasioned by the presence of K + ions interfered ...
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Utilization of Infused Tea Leaves (Camellia sinensis) for the Removal of Pb2+, Fe2+ and Cd2+ Ions from Aqueous Solution: Equilibrium and Kinetic Studies
... a rotary shaker (300 rpm) using 125 mL capped conical flasks. For each set of experiment, 0.2 g of infused tea waste was added to each 100 mL metal ion solutions of various concentrations (20 - 100 mg∙L −1 ) for isotherm ...
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Development of a Boron-Doped Diamond Electrode for the Simultaneous Detection of Cd2+ and Pb2+ in Water
... BDD electrodes were prepared using an HF880 hot filament chemical vapor deposition apparatus (Langfang Siboer Diamond Technology Co., Ltd.). The electrode microstructure was characterized using an S-5500 scanning ...
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The Equilibrium, Kinetics and Thermodynamics of Cu2+, Zn2+, Cd2+ and Pb2+ Sorption in Sorbents with Different Functional Groups
... lead ions have been studied, sorption isotherms have been constructed and calculating formulas that meet isotherms respective to the Langmuir and Freundlich equations has been ...
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Carbon Paste Electrode Modified with Bismuth Oxychloride as a Sensor for the Determination of Pb2+ and Cd2+
... stripping peak current continued to increase and reached the maximum value at -1.0 V. The increase in stripping current may be attributed to the negative potential facilitating the deposition of target ions ...
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Fabrication of an Effective Gold Nanoparticle/Graphene/Nafion® Modified Glassy Carbon Electrode for High Sensitive Detection of Trace Cd2+, Pb2+ and Cu2+ in Tobacco and Tobacco Products
... By definition, heavy metals have a specific gravity of 5.0 g cm -3 and are usually poisonous [3]. Heavy metals can be found almost everywhere, making it inevitable to totally eliminate its use [4]. These heavy metals can ...
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GS-Nafion-Au Nanocomposite Film Modified SPCEs for Simultaneous Determination of Trace Pb2+ and Cd2+ by DPSV
... An electrochemical sensor based on graphene sheets(GS)-Nafion-gold nanoparticles(Au) nanocomposite film modified screen-printed carbon electrodes(SPCEs) was fabricated(SPCEs│GS- Nafion/Au) for simultaneous determination ...
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Sensitive Determination of Zn2+, Cd2+ and Pb2+ at Electrochemically Reduced Nanoporous Graphene Oxide/ Bismuth Film Electrode
... Because of the excellent properties, such as simple preparation, high resolution of stripping signals, insensitivity to dissolved oxygen, easy alloying with many target metals, and wide potential window, the eco-friendly ...
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Amino Functionalized Silica Coated Fe3O4 Magnetic Nanoparticles as a Novel Adsorbent for Removal of Pb2+ and Cd2+
... 2+ ions in wastewater samples with very good ...2+ ions in low concentrations of ions and complex matrix, whereas most of the adsorbents could not be efficacious in these ...
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Nanoporous Xerogel for Adsorption of Pb2+ and Cd2+
... One of the most significant variables governing metal ion sorption is pH. It determines the surface charge of the adsorbent by influencing the extent of ionization of the associated functional groups [5, 17], and also ...
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ASSESSMENT OF PB2+ AND CD2+ AMONG PLANTED AND NATURAL VEGETATION PRONE TO VEHICULAR POLLUTION
... lover plant and may clean the air by detoxifying the metal ions. It is the best plant species which should be studied furtherin order to explore the detoxification mechanism for metal pollutants. On the other ...
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Synthesis and Properties of Water Soluble Blue Emitting Mn Alloyed CdTe Quantum Dots
... shown in Fig. 4. The spectrum consists of six asymmet- ric lines that are superimposed on the broad underlying signal. The presence of six lines in the spectrum is typi- cal for Mn 2+ ions in the disordered ...
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Metal Ions Impact on Shewanella Oneidensis MR 1 Adhesion to ITO Electrode and the Enhancement of Current Output
... DOI: 10.4236/ajac.2019.109031 433 American Journal of Analytical Chemistry The data show decreased start-up time consistent with literature experiments [34] [35] [36]. Here an increase in the metal ion concentration ...
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A Review: Heavy Metal Removal from Waste Water using Tea and Coffee Waste
... 10) Lokendra Singh Thakur et.al. (2013) stated that adsorption is one of the alternatives for such cases and is an effective purification and separation technique used in industry especially in water and wastewater ...
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Interaction of glassy fertilizers and Cd2+ ions in terms of soil pollution neutralization
... VitroFosMaK acting as glassy fertilizer of controlled release rate of the nutrients for plants has ability to cad- mium ions bonding under an insoluble phosphates. Cadmium immobilization process, influenced by pH ...
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Electrochemical co-detection of Heavy Metals in Astragalus Membranaceus by Anodic Stripping Voltammetry
... The voltammograms for these heavy metals were well separated from one another with the potential differences of ΔE, which were large enough for simultaneous detection of these three heavy metals in one solution. As was ...
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Hexaaquabis(μ pyridine 2,6 dicarboxylato O,N,O′:O)dicadmium(II) pyridine 2,6 dicarboxylic acid (1/2)
... Pyridine-2,6-dicarboxylic acid (dipicolinic acid) is present in large amounts in bacterial spores (Powell, 1953; Church & Halvorson, 1959). It has been considered that it contributes to the high heat resistance of ...
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Adsorption Capacity of Coconut (Cocos nucifera L.) Shell for Lead, Copper, Cadmium and Arsenic from Aqueous Solutions
... metal ions on coconut shell was studied at various time intervals (0-180 ...metal ions solutions were measured into four labeled beakers each containing ...metal ions in the filtrates was determined ...
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