Academic literature on the topic 'Ionic compounds'

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Journal articles on the topic "Ionic compounds"

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Oudet, Xavier. "Ionic compounds." Applied Superconductivity 1, no. 3-6 (1993): 381–89. http://dx.doi.org/10.1016/0964-1807(93)90247-y.

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Belova, Irina V., and Graeme E. Murch. "Interdiffusion in Ionic Compounds." Diffusion Foundations 6 (February 2016): 44–58. http://dx.doi.org/10.4028/www.scientific.net/df.6.44.

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In this chapter, we review the Nernst-Planck equation describing the cation interdiffusion coefficient, the two tracer cation diffusion coefficients and the thermodynamic factor in ionic compounds and how it is related to the analogous Darken-Manning relationship in binary alloy systems. We make use of the Onsager flux equations of non-equilibrium thermodynamics to rigorously address the problem. The recently found correction factor to the Nernst-Planck equation is analyzed visually by means of computer simulation
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Kvashnin, A. G., E. Y. Pashkin, B. I. Yakobson, and P. B. Sorokin. "Ionic Graphitization of Ultrathin Films of Ionic Compounds." Journal of Physical Chemistry Letters 7, no. 14 (2016): 2659–63. http://dx.doi.org/10.1021/acs.jpclett.6b01214.

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Paeglis, A. U., and F. X. O'Shea. "Thermoplastic Elastomer Compounds from Sulfonated EPDM Ionomers." Rubber Chemistry and Technology 61, no. 2 (1988): 223–37. http://dx.doi.org/10.5254/1.3536184.

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Abstract The zinc sulfonate of EPDM, an ionic elastomer polymer, can be readily formulated into useful thermoplastic elastomer compounds having beneficial properties and processing characteristics. The thermoplastic processing characteristics of these ionic elastomers are uniquely controlled by “ionolyzers,” preferential ionic plasticizers. These additives induce thermal reversibility in the ionic crosslink and control the response of the ionic associations to temperature. Ionic elastomer compounds maintain many of the performance features characteristic of vulcanized EPDM, such as low-tempera
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Ibragimova, M. J., S. A. Seidova, S. G. Alieva, H. J. Huseynov, Kh A. Abdullaeva, and F. Yu Yusifzade. "IONIC LIQUIDS AS EXTRAGENTS OF COMPOUNDS NEGATIVELY AFFECTING THE ENVIRONMENTAL PROPERTIES OF DIESEL FUEL." Azerbaijan Chemical Journal, no. 3 (August 21, 2024): 20–28. http://dx.doi.org/10.32737/0005-2531-2024-3-20-28.

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The results of scientific research in the field of liquid-liquid extraction purification of diesel distillates differing in the content of undesirable aromatic and sulfur compounds using various ionic liquids as a selective, environmentally friendly solvent are presented. Different extracting ability of ionic liquids (dipropylammonium, dibutylammonium and N-methylpyrrolidinium acetate, morpholinium formate) in relation to the extracted components of diesel distillate is shown. In particular, a high degree of purification of the hydrotreated diesel fraction was established when using N-methylpy
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Gurin, V. N., M. M. Korsukova, S. P. Nikanorov, et al. "Nonequilibrium nonstoichiometry in ionic compounds." Technical Physics Letters 29, no. 6 (2003): 464–66. http://dx.doi.org/10.1134/1.1589559.

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German, L. S. "Ionic rearrangements of fluoroaliphatic compounds." Journal of Fluorine Chemistry 58, no. 2-3 (1992): 131. http://dx.doi.org/10.1016/s0022-1139(00)80577-1.

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Eckert-Maksic, Mirjana, and Davor Margetic. "Ionic hydrogenation of organosulfur compounds." Energy & Fuels 5, no. 2 (1991): 327–32. http://dx.doi.org/10.1021/ef00026a018.

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Deleña, Russel, and Arlyne C. Marasigan. "Understanding Students’ Misconceptions about Chemical Formula Writing and Naming Ionic Compounds." International Journal of Academic Studies in Technology and Education 1, no. 2 (2023): 156–73. http://dx.doi.org/10.55549/ijaste.15.

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Difficulties in the competency of chemical formula writing and naming ionic compounds are common to General Chemistry 1 learners. Hence, this study is formulated to understand 34 General Chemistry 1 learners' misconceptions about chemical formula writing and naming ionic compounds. This descriptive case study research used a two-tier test and interview questionnaire as the main data-gathering instruments. From the conducted study, analysis shows that in terms of chemical formula writing, the learners misrepresent ionic compounds as charged species, show a lack of understanding of valency and t
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Hariyanti, Herviyanti, and Asmar Asmar. "POTENSI SENYAWA ORGANIK TIDAK TER-ION DALAM MENGURANGI KELARUTAN BESI (FE) UNTUK MENINGKATKAN PRODUKTIFITAS TANAH SAWAH BUKAAN BARU." Jurnal Solum 2, no. 1 (2007): 40. http://dx.doi.org/10.25077/js.2.1.40-49.2005.

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The research about potency of non-ionic organic compounds to decrease the dissolved iron (Fe) and to increase productivity of recently used ricefield had been conducted from August 2004 till January 2005. The objective was to study the effect of non-ionic organic compounds applied to control Fe and to increase rice production on recently used ricefield. The experiment used completely randomized design with four treatments and three replications. The treatments were consisted of four levels of non-ionic organic compounds (polysaccaride), those were 0, 75, 150, and 225 ppm. The result of this st
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Dissertations / Theses on the topic "Ionic compounds"

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Avala, Usha Kranthi. "Ionic Conductivity in Non-Ionic Compounds." TopSCHOLAR®, 2013. http://digitalcommons.wku.edu/theses/1279.

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The main objective of this work is to investigate the ionic conductivity of the drugs under certain conditions and also to compare the ionic conductivities of drugs determined by single surface sensors and parallel plate sensors. The ionic conductivity of various materials at their pre-melt and melt states are studied in order to further study a recently discovered phenomenon. Polar solids like Lidocaine, Ketoconazole, Procainamide and Nifedipine were examined in this study. Experimental studies show an increase in ionic conductivity in both pre-melt (20 -30 °C below melting temperature) and m
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Zheng, Jun. "Supercritical Fluid Chromatography of Ionic Compounds." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/29519.

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Addition of a small amount of polar solvent (i.e. modifier) which contains an ionic component (i.e. additive) to a CO2 mobile phase has shown major improvement in the elution of ionic analytes via packed column supercritical fluid chromatography (SFC). Firstly, we focused on the elution of sodium arylsulfonate analytes by using various ionic additives, such as lithium acetate, ammonium acetate, tetramethylammonium acetate, tetrabutylammonium acetate, and ammonium chloride. The analytes were successfully eluted with all additives with good peak shape under isocratic/isobaric/isothermal conditi
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Santos, Ana Rute Duarte dos. "Study on solubility of pharmaceutical compounds in ionic liquids." Master's thesis, Faculdade de Ciências e Tecnologia, 2013. http://hdl.handle.net/10362/9660.

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Dissertation to obtain the degree of master in Chemical and Biochemical Engineering<br>The sufficient solubility of N-acetyl-L-cysteine (NAC), coumarin (COU) and 4-hydroxycoumarin (4HC) in alternative solvents obtained in this work can open new perspectives in pharmaceutical processing. Solid–liquid equilibrium (SLE) measurements have been made using a dynamic (synthetic) method. The melting point and the enthalpy of fusion of the pharmaceutical compounds were acquired using differential scanning calorimetry (DSC). The solubility of N-acetyl-L-cysteine and 4-hydroxycoumarin in trifluoromethane
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Passos, Helena Isabel Sousa. "Extraction of bioactive compounds with ionic liquid aqueous solutions." Master's thesis, Universidade de Aveiro, 2012. http://hdl.handle.net/10773/9694.

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Mestrado em Engenharia Química<br>O principal objetivo do presente trabalho é estudar a aplicação dos líquidos iónicos (LIs) na formação de sistemas aquosos bifásicos (SAB) e avaliar a sua capacidade para extrair compostos bioativos. Deste modo, este estudo foca essencialmente a procura de sistemas mais benignos, através da aplicação de sais orgânicos, e uma melhor compreensão dos mecanismos que regem a partição de biomoléculas entre as duas fases destes sistemas. Os SAB constituídos por LIs apresentam uma grande aplicabilidade na extração e purificação de uma vasta gama de compostos, sendo c
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Williams, A. A. "The chemistry and electronic structure of surfaces of ionic compounds." Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370273.

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Kruger, Elna. "Ionic liquids as media for electro-organic synthesis." Thesis, Nelson Mandela Metropolitan University, 2007. http://hdl.handle.net/10948/538.

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The IL’s used in this study were either synthesized or commercially available. Preparation of the IL’s involved 2 step processes: firstly the heating of distilled 1-methylimidazole with distilled 1-chlorobutane under reflux to obtain 1-butyl-3- methylimidazolium chloride; secondly, the metathesis reaction of sodium tetrafluoroborate with 1-butyl-3-methylimidazolium chloride to obtain 1-butyl-3- methylimidazolium tetrafluoroborate. The addition of sodium tetrafluoroborate, sodium hexafluorophosphate and lithium trifluoromethane sulfonamide with 1-butyl-3-methylimidazolium chloride produced good
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Blais, Jean-Simon. "HPLC-AAS interfaces for the determination of ionic alkyllead, arsonium and selenonium compounds." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74637.

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Three direct interfaces for coupling high performance liquid chromatography (HPLC) with atomic absorption spectrometry (AAS) were developed and optimized for the determination of ionic organolead, organoselenium and organoarsenic compounds. The first all-quartz interface consisted of a thermospray nebulizer and a flame microatomizer in which ionic alkyllead analytes (R$ sb{ rm n}$Pb$ sp{ rm (4-n)+};$ R = CH$ sb3,$ C$ sb2$H$ sb5)$ were atomized by a methanol (from HPLC eluent)-oxygen kinetic flame, and channeled in a quartz tube (atom keeper) mounted into the AAS optical beam. Alternately, the
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Ritchie, Craig. "Indium- and tin-mediated allylation of carbonyl compounds in ionic liquids." Thesis, University of Strathclyde, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.415296.

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Kramer, Steve Andrew. "Mixed ionic-electronic conduction in rare earth titanate/zirconate pyrochlore compounds." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/26863.

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Chattopadhyay, Sandip. "A mechanistic study of sorption of ionic organic compounds on phyllosilicates /." The Ohio State University, 1997. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487944660929688.

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Books on the topic "Ionic compounds"

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Peter, Wasserscheid, and Welton T, eds. Ionic liquids in synthesis. 2nd ed. Wiley-VCH, 2008.

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Peter, Wasserscheid, and Welton T, eds. Ionic liquids in synthesis. Wiley-VCH, 2003.

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Larson, G. L. Ionic and organometallic-catalyzed organosilane reductions. Wiley, 2010.

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Jiang, GuoChang, ed. A study of ion cluster theory of molten silicates and some inorganic substances. Trans Tech, 2009.

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Jiang, GuoChang, ed. A study of ion cluster theory of molten silicates and some inorganic substances. Trans Tech, 2009.

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International School in Metal Complexes in Solution (1983 Palermo, Italy). Metal complexes in solution: Proceedings of the International School in Metal Complexes in Solution, held at Porticello, Palermo, Italy, October 3-8, 1983. Piccin, 1986.

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Laak, Thomas ter. Sorption to soil of hydrophobic and ionic organic compounds: Measurement and modeling = Sorptie van hydrofobe en ionogene organische stoffen aan bodem. Universiteit Utrecht, 2005.

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United States. National Aeronautics and Space Administration., ed. Laboratory simulated hydrothermal alteration of sedimentary organic matter from Guaymas Basin, Gulf of California. National Aeronautics and Space Administration, 1993.

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Lyon, William G. The swelling properties of soil organic matter and their relation to sorption of non-ionic organic compounds: Project summary. U.S. Environmental Protection Agency, Robert S. Kerr Environmental Research Laboratory, 1991.

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Yiacoumi, Sotira. Kinetics of metal ion adsorption from aqueous solutions: Models, algorithms, and applications. Kluwer Academic Publishers, 1995.

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Book chapters on the topic "Ionic compounds"

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Barker, M. G. "Ionic Compounds." In Inorganic Reactions and Methods. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145289.ch102.

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Went, Charles. "Nucleophilic Reactions of Carbonyl Compounds." In Ionic Organic Mechanisms. Macmillan Education UK, 1986. http://dx.doi.org/10.1007/978-1-349-07964-3_7.

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van der Wielen, L. A. M., M. J. van Buel, and K. Ch A. M. Luyben. "Heterogeneous Bioconversion of Ionic Compounds." In Precision Process Technology. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1759-3_38.

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Weiss, Joachim. "Gradient Elution of Ionic Compounds." In Gradient HPLC for Practitioners. Wiley-VCH Verlag GmbH & Co. KGaA, 2019. http://dx.doi.org/10.1002/9783527812745.ch4.

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Assaf, Khaleel I., Joanna Wilińska, and Detlef Gabel. "Ionic Boron Clusters as Superchaotropic Anions." In Boron-Based Compounds. John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119275602.ch1.5.

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Torriero, Angel A. J., and Douglas R. MacFarlane. "Electrochemical Reaction of Organic Compounds in Ionic Liquids." In Electrochemistry in Ionic Liquids. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15132-8_15.

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Iwahara, Hiroyasu. "Ionic Conduction in Perovskite-Type Compounds." In Perovskite Oxide for Solid Oxide Fuel Cells. Springer US, 2009. http://dx.doi.org/10.1007/978-0-387-77708-5_3.

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Rouxel, J. "Intercalation-Substitution Compounds and Ionic Mobility." In Inorganic Reactions and Methods. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145326.ch169.

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Másson, Már, Thorsteinn Loftsson, Hafrún Friđriksdóttir, Dorte Seir Petersen, and Sigríđur Jónsdóttir. "Complexation of Drug Compounds with Ionic and Non-Ionic Cyclodextrins." In Proceedings of the Eighth International Symposium on Cyclodextrins. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-011-5448-2_81.

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Shi, Kemeng, Christian Marcus Pedersen, and Yan Qiao. "Magnetic/Ionic Liquids for the Extraction of Phenolic Compounds from Aqueous Medium." In Encyclopedia of Ionic Liquids. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-10-6739-6_97-1.

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Conference papers on the topic "Ionic compounds"

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Schmitt, Guenter, and Ruediger Forster. "Unexpected Effect of Small Oxygen Concentrations in Sales Gas on Element Currents between Pipeline Steel and Magnetite from Black Powder." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05587.

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Abstract Magnetite as the major part of black powder encountered in transmission pipelines all over the world can form galvanic elements with the pipeline steel, provided a liquid film with some ionic conductivity is present. This galvanic element can exist also in the absence of water, provided other compounds are present to assure some ionic conductivity, e.g. organic acids like formic acid, acetic acid, acetates, or ammonium compounds from inhibitor packages. In this galvanic element iron forms the anode and magnetite the surface for the cathodic reaction. The element currents are in the µA
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Mannan, Abdul, A. C. Ferrel-Alvarez, Victor H. Ponce Valderrama, and H. Castaneda. "Interfacial Characterization of C1018 Using Ionic Liquids and Organic Imidazoline Compound." In CONFERENCE 2025. AMPP, 2025. https://doi.org/10.5006/c2025-00608.

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Abstract In the recent development of advanced chemicals used to influence the electrolyte/substrate interface; novel ILs have made subsequent progress in affecting the kinetics of the electrochemical reactions in a sustainable manner. In this research, the Imidazole-based IL [EMIM Ac] and conventional organic Imidazoline inhibitor were investigated for their effectiveness upon carbon steel alloy C1018 coupons in a 3.5 wt% NaCl environment. To study their corrosion behavior, electrochemical techniques were employed at a stationary state, maintaining 60°C with increasing inhibitor concentration
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Yang, Dongrui, Omar Rosas, and Homero Castaneda. "Comparison of the Corrosion Inhibiting Properties of Imidazole Based Ionic Liquids on API X52 Steel in Carbon Dioxide Saturated NaCl Solution." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-4357.

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Abstract The aim of this work is to investigate the corrosion inhibiting efficiency of four imidazolium ionic liquids in carbon dioxide saturated NaCl Brine solution by using electrochemical and surface analysis testing methods. The four compounds are 1-Ethyl-3-methylimidazolium chloride (Emc), 1-Butyl-3-methylimidazolium chloride (Bmc), 1-Hexyl-3-methylimidazolium chloride (Hmc), and 1-Decyl-3-methylimidazolium chloride (Dmc). Under the testing conditions, compound Dmc showed the highest inhibition efficiency. After 24 hours of immersion time in the inhibiting solution, the inhibiting efficie
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Pascoal, Caio V. P., Gabriele B. da Silva, Denilson S. da Silva, et al. "Study of Protic Ionic Liquids as Sustained Corrosion Inhibitors for Mild Steel in Saline Solution with Acidic pH and Temperature Variations." In LatinCORR 2023. AMPP, 2023. https://doi.org/10.5006/lac23-20405.

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The primary goal of the industry is to understand the best application of each metal alloy in terms of corrosion resistance [1]. The industrial is interested in exploring alternative ways to mitigate this corrosive process in a sustainable and economically viable manner [2]. One technique to combat this problem is the use of compounds known as corrosion inhibitors. However, some of these compounds are harmful to the environment and human health [3]. Therefore, there is a need for new corrosion inhibitors with minimal toxicity that can be used under a variety of operating conditions, such as un
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Carpén, Leena, Tero Hakkarainen, Arja Sarpola, et al. "Localized Corrosion Risk of Stainless Steels under Evaporative Conditions." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07197.

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Abstract Localized corrosion of stainless steels can sometimes cause unexpected failures even in environments considered harmless. A basically harmless environment can change dramatically if there is a possibility of concentration due to evaporation of water. Due to evaporation, some salts may start to precipitate and thus the ionic ratios of solution in contact with stainless steel can change. Precipitation of sulfur compounds changes the ionic relationship between chlorides and sulfates and thus enhances the risk of localized corrosion. The aim of this study is to define the dependences of l
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Haskaj, Adelina, Musaj Pacarizi, Sonja Lepitkova, Berat Sinan, Bahri Sinani, and Elida Dreshaj. "THE POTENTIAL COMPLEXING IMPACT OF SOME ORGANIC COMPOUNDS AMINE AND CARBOXYL GROUPS ON TRANSITION METALS." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/4.1/s18.42.

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Environmental water chemistry is substantially aided by modern electrochemical research. Sensitive voltammetric techniques are much more useful for metal species in natural waters, where complexation with organic molecules predominates. Many environmental electrochemists are still interested in determining the stability constants of metal ion complexes with various ionic species found in natural waterways. The aim of this work is to investigate the possible influence of complexation of amine and carboxyl groups of some organic molecules (with EDTA, NTA and aniline, using differential pulse pol
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Leinonen, H., H. Sirén, P. Vastamäki, et al. "On-Line High Temperature Electrophoresis Technique for Evaluating Stress Corrosion Cracking Risk of Stainless Steels in Cooking Process." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07213.

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Abstract On-line high temperature capillary electrophoresis instrument (HotUCE) was constructed for analysis of corrosive ions at normal pulping process temperatures in synthetic liquors in order to evaluate stress corrosion cracking (SCC) susceptibility of stainless steels. The HotUCE-instrument was on-line coupled to an autoclave, where welded duplex stainless steel samples were immersed 500 h in the simulated high ionic strength hot black, hot white or green liquors at temperatures below 210°C. The results showed that only minor amounts of oxidized sulphur compounds emerged. Amounts of sulp
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Taylor, Christopher D. "Fundamental Approaches to Corrosion Resistant Alloy Development." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19410.

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Abstract Given that the foundation of aqueous corrosion of alloys is rooted in electrochemistry, the search for new alloy formulations should be derived from the fundamental electrochemical properties of the elements and their compounds. Properties of relevance include the standard reduction potential of the elements, the electronic work function, the newly re-discovered property of the ionic work function, as well as additional properties such as the cohesive energy, the oxide formation potential, and the ability to catalyze the important cathodic reactions such as oxygen reduction reaction a
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Olivo, J. M. Domínguez, Shuyun Cao, D. Young, B. Brown, and S. Nesic. "Effect of Corrosion Inhibitor Head Group on the Electrochemical Processes Governing CO2 Corrosion." In CORROSION 2020. NACE International, 2020. https://doi.org/10.5006/c2020-14925.

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Abstract The use of corrosion inhibitors is a common practice used to mitigate internal pipeline corrosion in the oil and gas industry. An organic corrosion inhibitor is a molecule comprised of a head group (hydrophilic part) and an alkyl tail (hydrophobic part). Despite the significant amount of work associating the effect of the head group with the mode of adsorption of the inhibitor (such as bonding, effect on the tilt angle of the tail, and hysteresis), there is a lack of research relating the effect of the head group with the electrochemical processes governing the corrosion of mild steel
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Østvold, Terje, and Preben Randhol. "Prediction and Kinetics of Carbonate Scaling from Oil Field Waters." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02317.

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Abstract A laboratory study of CaCO3 scaling kinetics has been undertaken to obtain information useful for prediction of CaCO3 scale formation. The induction time for precipitation has been determined in a series of experiments where SR, T and the ionic composition of the water from which precipitation occurs, have been varied. The effect of sand from a North Sea oilfield reservoir on the rate of CaCO3 precipitation has also been investigated. Our data shows that sand enhances the rate and reduces the induction time for calcite precipitation. The formation of solid CaCO3 has a window of metast
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Reports on the topic "Ionic compounds"

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Shi, Youchun. New electrolyte systems for capillary zone electrophoresis of metal cations and non-ionic organic compounds. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/108134.

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Lawniczak-Jablonska, K., R. J. Iwanowski, R. C. C. Perera, J. H. Underwood, and E. M. Gullickson. Role of 3d electrons in formation of ionic-covalent bonds in II-VI based ternary compounds. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/603488.

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Terah, E. I. Video lectures on the discipline of «Chemistry» for students of specialty «Dentistry». SIB-Expertise, 2022. http://dx.doi.org/10.12731/er0555.13042022.

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There are video lectures on chemistry for students of the specialty "Den-tistry": 6 lectures on general chemistry and 11 lectures on bioorganic chemistry. The total duration of the video lectures is 13 hours 17 minutes. In lectures on general chemistry, the basic provisions of chemical ther-modynamics and kinetics, chemical equilibrium, dispersed systems, solutions and their properties, ionic equilibria in solutions of elektrolites, buffer solutions, hydrolysis are considered. Lectures on bioorganic chemistry discuss the properties and importance of biologically important compounds, including
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