Showing 2,461 - 2,480 results of 3,079 for search '"ion"', query time: 0.05s Refine Results
  1. 2461

    Kinetics and Mechanism of Oxidation of Benzyl Alcohol by Benzimidazolium Fluorochromate by J. Dharmaraja, K. Krishnasamy, M. Shanmugam

    Published 2008-01-01
    “…The reaction is catalysed by hydrogen ions. The decrease in dielectric constant of the medium increases the rate of the reaction. …”
    Get full text
    Article
  2. 2462

    Fabrication of Hybrid Materials Based on Waste Polyethylene/Porous Activated Metakaolinite Nanocomposite as an Efficient Membrane for Heavy Metal Desalination Processes by Mahmoud F. Mubarak, Mohamed A. Zayed, Ayman Nafady, Abeer E. L. Shahawy

    Published 2021-01-01
    “…Ultimately, for 250 ppm of Cd(II), Pb(II), and Cu(II) ions, the constructed membranes showed maximum removal capability of 69.3%, 76.2%, and 82.5% of toxic cations, respectively.…”
    Get full text
    Article
  3. 2463

    Innovative approach to Pb (II) removal using zinc-based MOFs-derived carbon: In-depth analysis of adsorption mechanisms, isotherms, thermodynamics, and kinetics by Samira Ahmadzadeh, Alireza Hemmati

    Published 2025-03-01
    “…Water contamination by lead is a critical environmental problem due to its toxicity and persistence in industrial effluents. The removal of lead ions from aqueous solutions has become a significant concern for environmental and public health. …”
    Get full text
    Article
  4. 2464

    Assessment of the Nutrients in the Leachate and the Groundwater Quality for Drinking and Farming around the Nkolfoulou Landfill in Yaoundé, Cameroon by Gilbert Feuyit, John Ngolui Lambi, Estella Njoyim-Tamungang, Samuel Laminsi

    Published 2019-01-01
    “…From the statistical analysis, the Nkolfoulou landfill may not be the main source of major ions to the nearby groundwater.…”
    Get full text
    Article
  5. 2465

    Chemical Fingerprints and Source Profiles of PM10 and PM2.5 from Agricultural Soil in a Typical Polluted Region of Northwest China by Yaochuang Yu, Junji Cao

    Published 2023-03-01
    “…This study quantitatively analysed twenty-four elements, eight water-soluble ions, organic carbon (OC) and elemental carbon (EC) in PM10 and PM2.5 samples from agricultural resuspended SD to understand the chemical profiles of agricultural SD in Baoji city, Northwest China. …”
    Get full text
    Article
  6. 2466

    Nano-Azo Ligand and Its Superhydrophobic Complexes: Synthesis, Characterization, DFT, Contact Angle, Molecular Docking, and Antimicrobial Studies by Gehad G. Mohamed, Walaa H. Mahmoud, Ahmed M. Refaat

    Published 2020-01-01
    “…The H2L ligand reacted with the metal ions Cr(III), Mn(II), Fe(III), Co(II), Ni(II), Cu(II), Zn(II), and Cd(II) as 1 : 1 stoichiometry. …”
    Get full text
    Article
  7. 2467

    Extreme Air Pollution Events Spiking Ionic Levels at Urban and Rural Sites of Indo-Gangetic Plain by Manisha Mishra, U. C. Kulshrestha

    Published 2020-04-01
    “…Abstract The present study is a modest attempt to quantify the water-soluble inorganic ions (WSIIs) in the early morning (fog-forming) ambient air on the central Indo-Gangetic Plain (IGP) during winter via dissolution using a low-cost refluxing mist chamber. …”
    Get full text
    Article
  8. 2468

    Photocatalytic Degradation of Dichlorvos in Visible Light by Mg2+-TiO2 Nanocatalyst by T. Siva Rao, Teshome Abdo Segne, T. Susmitha, A. Balaram Kiran, C. Subrahmanyam

    Published 2012-01-01
    “…The presence of magnesium ions in TiO2 matrix has been determined by XPS spectra. …”
    Get full text
    Article
  9. 2469

    Kinetic, Isotherm and Thermodynamic Studies on the Removal of Zn (II) From Aqueous Solution using Silica Adsorbent by Vivekanand Choudhary, Twinkle Keshari, Himanshu Shekhar

    Published 2024-11-01
    “…Silica oxide, with its high surface area, was used to remove zinc ions from solutions of 5, 10, 15, and 20 mg/L concentrations. …”
    Get full text
    Article
  10. 2470

    An Experimental Study on the Adsorption and Desorption of Cu(II) in Silty Clay by Shuang Xie, Zhang Wen, Hongbin Zhan, Menggui Jin

    Published 2018-01-01
    “…The decrease of H+ can increase the adsorption activity of Cu(II) and reduce the ability of the desorption of Cu(II) ions. The adsorption capacity of Cu(II) is less than the desorption capacity under the condition of strong acidity and low concentration of Cu(II). …”
    Get full text
    Article
  11. 2471

    Comparison of PM2.5 Chemical Compositions during Haze and Non-haze Days in a Heavy Industrial City in North China by Menghui Li, Liping Wu, Xiangyan Zhang, Xinwu Wang, Wenyu Bai, Jing Ming, Chunmei Geng, Wen Yang

    Published 2020-05-01
    “…Samples of PM2 5 were collected 8-27 January 2018 and analyzed for water-soluble inorganic ions (WSIs), trace elements (TEs), organic carbon (OC) and elemental carbon (EC). …”
    Get full text
    Article
  12. 2472

    Boosting singlet oxygen generation for salinity wastewater treatment through co-activation of oxygen and peroxymonosulfate in photoelectrochemical process by Qianqian Yang, Zhiyuan Feng, Yanbo Zhou, Hongying Zhao, Guohua Zhao

    Published 2025-01-01
    “…High concentrations of inorganic ions in saline wastewater pose adverse effects on hydroxyl radical (HO•)-dominated technologies. …”
    Get full text
    Article
  13. 2473
  14. 2474

    Comparative analysis of bioaccessibility tests for metals and metalloids: Methodological advancements and implications for consumer product safety by Buyun Jeong, Dong-Jun Baek, Haeun Kim, Seon-Woo Kwon, Jung-Hwan Kwon, Jinsung An

    Published 2025-02-01
    “…The pH 5.5 solution leached more metals due to complexation between amino acids and metal ions, increasing solubility. Sebum decreased the leached amount of cationic metals (Cd, Cr, and Pb), as fatty acids can form complexes with metal ions. …”
    Get full text
    Article
  15. 2475

    Neurotoxic Effect of Myricitrin in Copper-Induced Oxidative Stress Is Mediated by Increased Intracellular Ca<sup>2+</sup> Levels and ROS/p53/p38 Axis by Ignacija Vlašić, Antonio Krstačić-Galić, Anđela Horvat, Nada Oršolić, Anja Sadžak, Lucija Mandić, Suzana Šegota, Maja Jazvinšćak Jembrek

    Published 2025-01-01
    “…Although commonly appreciated for their anti-oxidative and neuroprotective properties, flavonoids can also exhibit pro-oxidative activity, potentially reducing cell survival, particularly in the presence of metal ions. Disrupted copper homeostasis is a known contributor to neuronal dysfunction through oxidative stress induction. …”
    Get full text
    Article
  16. 2476
  17. 2477

    Potentiometric Studies on Transition Metal Complexes of Substituted Derivative of Coumarin-Part 1 by K. B. Vyas, G. R. Jani, M. V. Hathi

    Published 2009-01-01
    “…The formation constants of binary complexes of d10 metal ions Cu(II), Ni(II), Co(II) and Mn(II) with 3-[{3-(3’-chloro phenyl}-prop-2-enoyl]-4-hydroxy-6-methyl-2H-chromen-2-one have been studied by using Irving-Rossoti method at constant temperature 30±1 °C and ionic strength μ=0.1 M dM-3 was held constant using sodium nitrate as an electrolyte. …”
    Get full text
    Article
  18. 2478

    Photodegradation of lincomycin in aqueous solution by Agatino Di Paola, Maurizio Addamo, Vincenzo Augugliaro, Elisa García-López, Vittorio Loddo, Giuseppe Marcì, Leonardo Palmisano

    Published 2006-01-01
    “…The mineralization of the molecule led to the formation of sulfate, ammonium, and nitrate ions.…”
    Get full text
    Article
  19. 2479

    Synthesis by Reversed Phase Transfer Catalysis and Characterization of Naphthol AS-D Pigment by Eleonora Cornelia Crasmareanu, Vasile Simulescu, Gheorghe Ilia

    Published 2013-01-01
    “…This method consists in the transfer of the aryldiazonium cation 4-nitrobenzenediazonium from aqueous medium into the organic phase (nitrobenzene) in the form of a lipophilic ions pair by the catalyst used (perfluorooctyl potassium sulfonates). …”
    Get full text
    Article
  20. 2480

    Synthesis of Poly(hydroxamic Acid)-Poly(amidoxime) Chelating Ligands for Removal of Metals from Industrial Wastewater by M. R. Lutfor, M. Y. Mashitah

    Published 2011-01-01
    “…The binding property of metal ions was performed and maximum sorption capacity of the copper was 3.20 mmol/ g and the rate of exchange of some metals was faster, i.e. t½ ≈ 7 min (average). …”
    Get full text
    Article