Relevant bibliographies by topics / Cupric ions

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Cupric ions'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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Journal articles on the topic "Cupric ions"

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Raj, A. Kanni. "Synthesis of A Biodegradable Polymer from Tyrosol, Fluorescein and Caprolactone for Sensing and Removal of Cupric Ions from Pond Water." Oriental Journal Of Chemistry 40, no. 6 (2024): 1756–67. https://doi.org/10.13005/ojc/400628.

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Anthopogenic actions mostly contribute cupric ions to pond and other water bodies. These ions build rapidly in plants and animals, eventually entering the human food chain and causing public health problems. To address the health risks associated with these ions, a novel polymer molecule has been designed for sensing and removing them. This study entails creating a new polymer using tyrosol, fluorescein and caprolactone. This polymer has a strong selectivity for cupric ions, which causes a dramatic color shift for easy identification. It can detect even trace levels of copper ions in pond wate
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Ali, M. R., C. M. Mustafa, and M. Habib. "Effect of Molybdate, Nitrite and Zinc Ions on the Corrosion Inhibition of Mild Steel in Aqueous Chloride Media Containing Cupric Ions." Journal of Scientific Research 1, no. 1 (2008): 82–91. http://dx.doi.org/10.3329/jsr.v1i1.1053.

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An investigation has been conducted on the corrosion inhibition of mild steel by molybdate, nitrite and zinc ions in aqueous chloride media containing cupric ions. Molybdate inhibits mild steel corrosion in near neutral and alkaline (pH 6 and above) chloride media and accelerates corrosion in acidic media (below pH 6) both in the presence and absence of cupric ions. Nitrite inhibits mild steel corrosion in chloride media at pH 4.5 and above, but accelerates corrosion below pH 4.5 both in the presence and absence of cupric ions. Molybdate and nitrite act as a synergistic corrosion inhibitor in
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Georgieva, Tsveta, and Kalin Hristov. "ANTIOXIDANT CAPACITY OF EXTRACTS FROM BULGARIAN MEDICINAL PLANTS." Tradition and Modernity in Veterinary Medicine 8, no. 2 (2023): 26–33. https://doi.org/10.5281/zenodo.10338390.

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The aim of this research is to establish the redox–modulating capacity of extracts from 5 traditional Bulgarian medicinal plants: <i>Geranium sanguineum</i>, <i>Artemisia annua</i>, <i>Tribulus terrestris</i>, <i>Cichorium intybus</i> and <i>Cotinus coggygria</i>, comparing their antioxidant capacity at the same concentrations subsequently adding them to the composition of a sperm extender for rams. The methods used include ABTS•+ free radical reduction ability, DPPH• radical reduction, ferric iron reduction by the FRAP method, as well as reduction of cupric ions (Cu2+) to cupric ions (Cu1+) b
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Mohammed, Ard elshifa M. E., Nouf F. Al-Harby, Muneera Alrasheedi, Shaimaa M. Ibrahim, and Nadia A. Mohamed. "Cyanoguanidine-Modified Chitosan as an Efficacious Adsorbent for Removing Cupric Ions from Aquatic Solutions: Kinetics, Isotherms, and Mechanisms." Inorganics 13, no. 4 (2025): 116. https://doi.org/10.3390/inorganics13040116.

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One of the most critical environmental needs is to remove metal ions from industrial wastewater. In this investigation, chitosan modified by cyanoguanidine (CCs) was employed for the first time to adsorb cupric ions. The optimal conditions for eliminating cupric ions were adsorbent dose = 0.015 g, cupric ion concentration = 0.2 g L−1, pH = 6, and temperature = 25 °C. The adsorption kinetics fit the pseudo-second-order model, showing a value of correlation coefficient (R2) of 1.00, which is the highest. The experimental qe value was determined to be 99.05 mg g−1, which is comparable to 100 mg g
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Karlíčková, Jana, Kateřina Macáková, Michal Říha, et al. "Isoflavones Reduce Copper with Minimal Impact on IronIn Vitro." Oxidative Medicine and Cellular Longevity 2015 (2015): 1–11. http://dx.doi.org/10.1155/2015/437381.

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Isoflavones are commonly consumed in many Asian countries and have potentially positive effects on human being. Only a few and rather controversial data on their interactions with copper and iron are available to date. 13 structurally related isoflavones were tested in the competitive manner for their Cu/Fe-chelating/reducing properties. Notwithstanding the 5-hydroxy-4-keto chelation site was associated with ferric, ferrous, and cupric chelation, the chelation potential of isoflavones was low and no cuprous chelation was observed. None of isoflavones was able to substantially reduce ferric ion
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Demirkıran, Nizamettin, and G. Deniz Turhan Özdemir. "Kinetic Model for Dissolution of Cement Copper in Sulfuric Acid Solutions Containing Cupric Ions." Chemistry & Chemical Technology 15, no. 3 (2021): 395–402. http://dx.doi.org/10.23939/chcht15.03.395.

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In this paper, the dissolution kinetics of cement copper powder in sulfuric acid solutions containing cupric ions was examined. It was observed that the dissolution rate of copper increased with increasing the acid concentration, temperature, and stirring speed. It was determined that the dissolution rate of copper enhanced with increasing the cupric ion concentration up to 0.025 M. It was found that the temperature and concentration of cupric ion had more considerable effects on the dissolution of copper powder. The kinetic analysis of the process was performed, and it was observed that it fi
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Najim, Sarmad Talib. "Estimation of Mass Transfer Coefficient for Copper Electrowinning Process." Journal of Engineering 22, no. 4 (2016): 158–68. http://dx.doi.org/10.31026/j.eng.2016.04.11.

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Mass transfer was examined at a stationary rectangular copper electrode (cathode) by using the reduction of cupric ions as the electrochemical reaction. The influence of electrolyte temperature (25, 45, and 65 oC), and cupric ions concentration (4, 8, and 12 mM) on mass transfer coefficient were investigated by using limiting current technique. The mass transfer coefficient and hence the Sherwood number was correlated as Sh =&#x0D;
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Tang, Ying, and Xian Ping Xia. "Improvement of the Hydrophilicity of Cu/LDPE Composite and its Influence on the Release of Cupric Ions." Materials Science Forum 745-746 (February 2013): 46–52. http://dx.doi.org/10.4028/www.scientific.net/msf.745-746.46.

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t is of great importance to improve the hydrophilicity of Cu/LDPE composite, a material for a new type of IUDs (Intrauterine Devices). The aim of the study is not only satisfying the biocompatibility of medical devices implanted in human bodies, but also improving the releasing rate of cupric ions. In this study, various hydrophilic materials (sodium chloride, anhydrous glucose and soluble starch) were added respectively, in order to improve the hydrophilicity of Cu/LDPE composite. The microstructure of Cu/LDPE composite was characterized, moreover, the influence of the addition of these hydro
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SAGRIPANTI, JOSE-LUIS, and MARILYN M. LIGHTFOOTE. "Cupric and Ferric Ions Inactivate HIV." AIDS Research and Human Retroviruses 12, no. 4 (1996): 333–36. http://dx.doi.org/10.1089/aid.1996.12.333.

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SUDOH, MASAO, HIROSHI KAMEI, and SUSUMU NAKAMURA. "Donnan dialysis concentration of cupric ions." Journal of Chemical Engineering of Japan 20, no. 1 (1987): 34–40. http://dx.doi.org/10.1252/jcej.20.34.

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Dissertations / Theses on the topic "Cupric ions"

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Shen, Jiacheng. "Biosorption of cupric and cadmium ions by corncob particles." Thesis, University of Ottawa (Canada), 2003. http://hdl.handle.net/10393/26429.

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The effects of various parameters, such as initial pH, biomass concentration, temperature, buffer, agitation speed, and particle size, on the biosorption of cupric and cadmium ions by the corncob particles were investigated. A modified Langmuir model, which considers the effect of pH on the isotherm, is appropriate for the experimental equilibrium data. The enthalpy changes calculated from the equilibrium constants at various temperatures indicate that the biosorption processes of copper and cadmium on the corncob particles are exothermic. The smaller comcob particles have a higher adsorption
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Kalina, Michal. "Využití průtokové coulometrie ve studiu transportu kovových iontů v huminových gelech." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2010. http://www.nusl.cz/ntk/nusl-216652.

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This diploma thesis deals with the study of non-stationary diffusion of cupric ions in humic gels. The main objective of the work was the optimalization of conditions for using the electrochemical analyzer EcaFlow 150 GLP for the study of diffusion experiments. Next part was focused on reaching of constant concentration profiles of cupric ions in humic gel. Last aim of the study was the bond strength between cupric ions and humic acids. Diffusion was characterized by the values of the diffusion flux and cupric ions concentration profiles in humic gel. The data necessary for calculation were ob
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Grunt, Jakub. "Difúze měďnatých iontů v huminových hydrogelech." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2014. http://www.nusl.cz/ntk/nusl-217001.

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Presented diploma thesis focuses on the study of diffusion of cupric ions in humic acid hydrogels. A total of eight different hydrogels were prepared by dissolving the humic acids with sodium hydroxide and sodium triphosphate. For the purpose of precipitation and cross linking, hydrochloric acid and chlorides of magnesium, calcium and iron were used during a modified preparation of gels. Different gel-forming interactions were achieved by modifying the preparation of hydrogel systems. The aim of the thesis was to assess the effect of gel preparation procedure on the transport properties of the
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Král, Jan. "Difuzivita huminových hydrogelů." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2017. http://www.nusl.cz/ntk/nusl-316152.

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Presented diploma thesis focuses on the study of diffusion of cupric ions in humic acid gels. A total of fifth different standards of humic acids and one sample humic acid prepared from same source as in bachelor's thesis, on which this thesis continues, were used for preparation solutions of humic acids. Thereafter, these solutions were used for preparation of agarose hydrogels, which were necessary in following diffusion experiments. The objective of the work was to compare transport properties of humic standards between themselves and then compare standards with humic acid prepared from sam
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Sandberg, Jan. "Corrosion-induced release of zinc and copper in marine environments." Licentiate thesis, Stockholm : Division of corrosion science, Department of materials science end engineering, School of industrial engineering and management, Royal institute of Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4051.

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ROUSSELET, GUILHEM. "Nouvelles reactions cupro-catalysees des amines. Transformation des amines tertiaires et des n-oxydes en ions iminiums, epoxydation intramoleculaire. Synthese et utilisation synthetique des amidines." Paris 6, 1996. http://www.theses.fr/1996PA066368.

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Les sels cuivriques ainsi que l'oxygene moleculaire en presence de sels cuivreux oxydent la trimethylamine en ion n,n-dimethyliminium. Ce resultat conduit a la description d'un modele biomimetique de l'oxydation des amines tertiaires par les cupro-enzymes laccase et ceruloplasmine humaine. L'etude de la transformation des n-oxydes d'amines par les sels de cuivre a permis la mise au point d'une nouvelle voie d'acces aux ions iminiums. L'oxydation des 1-methyltetrahydropyridines resultant de l'interaction de l'oxygene moleculaire sur les sels cuivreux, et la transformation de leurs n-oxydes par
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Caro, Andrea Scabora Boix. "Determinação e padronização da vitamina E e seus isomeros : comparação entre o metodo de cromatografia liquida de alta eficiencia (CLAE) e o metodo espectrofotometrico por redução de ions cupricos." [s.n.], 2002. http://repositorio.unicamp.br/jspui/handle/REPOSIP/256074.

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Orientador: Admar Costa de Oliveira<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos<br>Made available in DSpace on 2018-08-02T12:28:17Z (GMT). No. of bitstreams: 1 Caro_AndreaScaboraBoix_M.pdf: 14090161 bytes, checksum: 19cff1ff37583d9e85637f916f801345 (MD5) Previous issue date: 2002<br>Resumo: A presente Tese visou estudar a determinação da vitamina E, estabelecendo uma comparação entre o método clássico modificado com um outro método de determinação, a cromatografia líquida de alta eficiência (CLAE).Para efeito de comparação foram utiliza
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Kultaeva, Anastasiia. "EPR spectroscopy of isolated cupric ions and their ion pairs in metal-organic framework materials." 2019. https://ul.qucosa.de/id/qucosa%3A71510.

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Buchwalter, David B. "Modulation of cupric ion activity by pH and fulvic acid as determinants of toxicity in Xenopus laevis embryos and larvae." Thesis, 1993. http://hdl.handle.net/1957/35750.

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Friedländer, Stefan. "Increasing Sensitivity for Electron Paramagnetic Resonance Spectroscopy of Cupric Ions in Metal-Organic Framework Single Crystals and Thin Films." Doctoral thesis, 2017. https://ul.qucosa.de/id/qucosa%3A15916.

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Books on the topic "Cupric ions"

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Ali, Perween. Enzyme inactivation by free radicals in the presence of cupric ions. University of Salford, 1986.

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Buchwalter, David B. Modulation of cupric ion activity by pH and fulvic acid as determinants of toxicity in Xenopus laevis embryos and larvae. 1993.

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Book chapters on the topic "Cupric ions"

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Meng, Xiaoyu, Hongbo Zhao, Yisheng Zhang, Yanjun Zhang, Xin Lv, and Shuai Wang. "Effect of Sulfuric Acid Concentration on Marmatite Dissolution in the Presence of Cupric Ions." In Rare Metal Technology 2020. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36758-9_31.

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Apak, Resat. "Electron transfer-based antioxidant capacity assays and the cupric ion reducing antioxidant capacity (CUPRAC) assay." In Measurement of Antioxidant Activity & Capacity. John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781119135388.ch4.

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Raguindin, Ricky Kristan M., Ian Lorenzo Gonzaga, and Rinlee Butch M. Cervera. "Cupric Ion-Selective Substitutional Binary System Doping of Extracted Hydroxyapatite." In Springer Proceedings in Physics. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3624-2_1.

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Stearns, D. E., and A. A. Sharp. "Sublethal effects of cupric ion activity on the phototaxis of three calanoid copepods." In Ecology and Morphology of Copepods. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-017-1347-4_63.

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Apak, Reşat, Kubilay Güçlü, Mustafa Özyürek, Burcu Bektas¸oğlu, and Mustafa Bener. "Cupric Ion Reducing Antioxidant Capacity Assay for Food Antioxidants: Vitamins, Polyphenolics, and Flavonoids in Food Extracts." In Methods In Molecular Biology. Humana Press, 2008. http://dx.doi.org/10.1007/978-1-60327-517-0_14.

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Apak, Reşat, Kubilay Güçlü, Mustafa Özyürek, Burcu Bektaşoğlu, and Mustafa Bener. "Cupric Ion Reducing Antioxidant Capacity Assay for Antioxidants in Human Serum and for Hydroxyl Radical Scavengers." In Methods in Molecular Biology. Humana Press, 2009. http://dx.doi.org/10.1007/978-1-60761-411-1_15.

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Gupta, C. K., and T. K. Mukherjee. "Leaching with Ferric and Cupric Ions." In Hydrometallurgy in Extraction Processes. Routledge, 2019. http://dx.doi.org/10.1201/9780203751428-4.

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Suwalsky, Mario, Fernando Villena, Hernan Cárdenas, Beryl Norris, Carlos Patricio Sotomayor, and Paolo Zatta. "Cupric and Mercuric Ions Affect the Structure and Functions of Cell Membranes." In Metal Ions and Neurodegenerative Disorders. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812796691_0018.

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Nam, In-Sik, Sung-Won Ham, Hoon Choi, and Young Gul Kim. "Sulfur Tolerance of Mordenite Type Zeolite Containing Cupric Ions for No Reduction by Nh3." In Studies in Surface Science and Catalysis. Elsevier, 1991. http://dx.doi.org/10.1016/s0167-2991(08)62685-3.

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Yu, Jong-Sung, Suk Bong Hong, and Larry Kevan. "Cupric ion species in Cu(II)-exchanged gallosilicate K-L and comparison with aluminosilicate K-L." In Studies in Surface Science and Catalysis. Elsevier, 1997. http://dx.doi.org/10.1016/s0167-2991(97)80632-5.

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Conference papers on the topic "Cupric ions"

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Chen, Ling, Jeremy L. Caron, Paul Crook, Javier Guerrero, and Vinay Deodeshmukh. "Corrosion Performance of N10362 and N06200 Alloys in Formic Acid and Acetic Acid with and without Inorganic Salts." In CONFERENCE 2025. AMPP, 2025. https://doi.org/10.5006/c2025-00426.

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Abstract Acetic acid is widely used in the manufacture of fibers, plastics, agricultural chemicals, pharmaceuticals and other products. Formic acid is used as a preservative for animal feeds and in various chemical processes including ester manufacturer, rubber coagulation and chemical reducing agent. During the process, some reducing or oxidizing contaminants such as chlorides, fluorides, dissolved oxygen, ferric ions and cupric ions could exist in the acids. Materials selection of equipment is complicated. Ti alloy is not suitable for a very reducing environment, Zr alloy is more expensive a
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Divi, Suresh C., and James S. Grauman. "Effect of Anionic and Cationic Oxidizing Species on Crevice Corrosion Resistance of Titanium in Brine Media." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02864.

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Abstract One of the suggested strategies for preventing crevice corrosion of titanium is by incorporating inhibitors into the solutions. These inhibitors can be anionic species which are intended to inhibit crevice attack when present in solutions, especially in halides. It is well known that oxidizing cationic species such as ferric and cupric ions which are very effective in reducing general corrosion resistance tend to accelerate crevice corrosion when present in bulk chloride solutions. At the same time, certain anionic oxidizing species such as chlorates are believed to inhibit crevice co
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Zelinka, S. L., and D. S. Stone. "Advances in Corrosion Testing of Metals in Contact with Treated Wood." In CORROSION 2010. NACE International, 2010. https://doi.org/10.5006/c2010-10082.

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Abstract A January 2004 change in the regulation of wood preservatives used in the U.S. has increased the use of newer wood preservatives, such as alkaline copper quaternary (ACQ) and copper azole (CuAz). These preservatives contain high amounts of cupric ions, which may be reduced to copper metal at the expense of less noble steel and galvanized fasteners in the wood. Preliminary testing using extreme accelerating conditions suggested newer preservatives are more corrosive than the previously used chromated copper arsenate (CCA), although it is unclear how corrosion rates measured in these ex
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Sridhar, N. "Behavior of High Performance Alloys in Sulfuric Acid Streams." In CORROSION 1987. NACE International, 1987. https://doi.org/10.5006/c1987-87019.

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Abstract Sulfuric acid is an important reactant and by product in the mining and metal-extraction industries. Corrosion in sulfuric acid is dependent both on concentration of the acid and type of impurities present in the acid. The behavior of a variety of stainless steels and Ni-base alloys is examined as a function of these factors. The range of acid concentration is divided into three zones and the alloy performance is examined in each zone. In the lowest-concentration acids, the alloying elements of greatest benefit were Mo, Ni and Cr in that order. If oxidizing agents are present however,
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Alves, H., and H. Werner. "Alloy Selection for Organic Environments with Small Additions of H2SO4 or HCL." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04235.

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Abstract In general pure organic environments are not very corrosive. AISI types 304L and 316L stainless steels are widely used to handle them. However, in the chemical industry the corrosive action of organic environments can become rather complicated because process mixtures frequently contain inorganic acids, corrosive catalysts (e.g. sulphuric or hydrochloric acids), salts, solids, etc.. Furthermore, contaminants like oxygen, ferric or cupric ions have to be considered since they tend to shift the redox potential of the mixture to oxidizing. The presence of chlorides usually have disastrou
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Park, J. R., and Z. Szklarska-Smialowska. "Pitting Corrosion of Inconel 600 in High Temperature Water Containing CuCl2." In CORROSION 1985. NACE International, 1985. https://doi.org/10.5006/c1985-85091.

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Abstract Pitting corrosion of Inconel 600 was studied in aqueous sodium and cupric chloride solutions at 60 and 280°C. The pit nucleation potential, Enp was evaluated in two different concentrations of sodium chloride. Enp decreased with increasing concentration of chloride ion and temperature. On specimen surfaces exposed to cupric chloride solutions pitting occurred at open circuit potentials nearly equal to or higher than the Enp determined in 0.01 m NaCl solution. The number and size of pits increased with both increasing concentration of cupric chloride and dissolved oxygen. On specimens
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Schock, Michael R., Darren A. Lytle, and Jonathan A. Clement. "Effects of pH, Carbonate, Orthophosphate, and Redox Potential on Cuprosolvency." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95610.

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Abstract A comprehensive solubility model for copper in drinking water has been developed, that is consistent with available data for copper dissolution and passivation in drinking water systems. Copper solubility (cuprosolvency) is greatly affected by the redox conditions of the systems. The concentration of Cu(I) is dominated by Cu2O(s) or CuOH(s) solid phases, plus soluble aqueous ammonia and chloride complexes. In new piping, the concentration of Cu(II) is mainly governed by Cu(OH)2(s) (cupric hydroxide), rather than CuO(s) (tenorite) or Cu2(OH)2CO3(s)(malachite). Complexation of Cu(II) by
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Mishra, Ajit. "Materials Performance in an Oxidizing Acid and Corrosive Solution Containing Oxidants." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-12991.

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Abstract Nickel-based alloys containing optimum amounts of chromium (Cr), molybdenum (Mo) and tungsten (W) are widely used in the chemical process industries due to their tolerance of both oxidizing and reducing conditions. In the present study, corrosion tests were performed using weight loss and electrochemical techniques for Ni-based CRAs in various corrosive solutions. The motivation of this study is to understand the materials performance in oxidizing acid (such as nitric acid) and acidic solutions containing oxidants (like ferric ion, cupric ion, peroxide etc.). An attempt was further ma
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Kendig, M., S. Jeanjaquet, and M. Mahoney. "Electrochemical Noise Analysis of the Corrosion of Aluminum Alloys and Composites." In CORROSION 1988. NACE International, 1988. https://doi.org/10.5006/c1988-88383.

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Abstract The current fluctuations between nominally identical pairs of aluminum or SiC-reinforced aluminum alloys in neutral chloride electrolytes were analyzed with respect to the time dependence, and frequency dependence of the power spectral density of the fluctuations. The results were compared to the pitting related parameters of critical potential, EC, and protection potential, Ep, obtained from potentiodynamic tests and microscopic observations. The materials examined included Al 7075-T73, Al 3003, Al 2024, Al 8090, SiC -reinforced 2124 and 2219 and a fine grain superplastic 7064 materi
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Gao, Y., H. B. Li, Z. J. Cheng, et al. "Electrosorption of cupric ions from solutions by carbon nanotubes and nanofibres film electrodes grown on graphite substrates." In 2008 2nd IEEE International Nanoelectronics Conference. IEEE, 2008. http://dx.doi.org/10.1109/inec.2008.4585478.

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