Relevant bibliographies by topics / Has been confirmed by conductometric titration

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Academic literature on the topic 'Has been confirmed by conductometric titration'

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Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Has been confirmed by conductometric titration"

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MAHMOUD, A. GHANDOUR, MANSOUR HBSHAM, and KHODARY MAHMOUD. "Polarographic Behaviour of some Metal Ions in Presence of Pyruvate." Journal of Indian Chemical Society Vol. 66, Feb 1989 (1989): 76–80. https://doi.org/10.5281/zenodo.5939848.

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Chemistry Department, Faculty of Samos, Assiut University, Assiut, Egypt Chemistry Department, Faculty of Science, Assiut University, Qene, Egypt <em>Manuscript mewed 25 February 1988, revised 20 June 1988, accepted 12 October 1988</em> <strong>The polarographic reduction of BI<sup>III</sup>, Fe<sup>III</sup>, Hg<sup>II</sup>, Cu<sup>II</sup> and UO<sub>2</sub>II at the dropping mercury electrode has been investigated in pyruvate solution. A single-reduction wave has been observed with each metal Ion. It has been proved that pyruvate forms com&shy;plexes of the type 1 :1 and 2 : 1 ligand to me
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Saltykova, M. S., Y. B. Elchishcheva, and L. G. Chekanova. "COMPLEX-FORMING PROPERTIES OF DIACYLHYDRAZINES OF NON-PENTANE ACID." Вестник Пермского университета. Серия «Химия» = Bulletin of Perm University. CHEMISTRY 9, no. 3 (2019): 219–26. http://dx.doi.org/10.17072/2223-1838-2019-3-219-226.

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The complexation processes of diacylhydrazines (DAH): dineopentanoylhydrazine (DNH) and 1-neopentanoyl-2-benzoylhydrazine (NBH) with Cu (II) ions in ammonia were studied. By saturation, shift of equilibria, intersection of curves, it was proved that in solutions these reagents with Cu (II) ions form complex compounds with ratios of 1: 1 and 1: 2. The results of the study were confirmed by conductometric titration. The conditions for the flotation extraction of Cu (II) ions by diacylhydrazines were studied: the pH of the solutions, the flotation time, the amount of reagent. The efficiency of th
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Azam, A. T. M. Z., F. Siraji, M. S. Amran, J. N. Islam, F. M. Amjad, and M. A. Hossain. "In vitro Interaction of Metronidazole and Mebendazole with Copper (II) and Chromium (III) in Aqueous Media." Journal of Scientific Research 4, no. 1 (2011): 173. http://dx.doi.org/10.3329/jsr.v4i1.7599.

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The interaction of metronidazole, an antiprotozoal agent and mebendazole, an important anthelmentic agent with Cu (II) and Cr(III) ions have been studied in aqueous systems at a fixed temperature of 37±0.5°C and at different pH values. It has been found that metronidazole and mebendazole form stable 1:1 complexes with Cu(II), but a less stable complex with Cr(III) ion. The studies were performed by electroanalytical and spectrophotometric methods. Spectral studies helped to detect initial complexation between the species. Conductometric titration indicated the nature of interaction and the sto
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MAHMOUD, A. GHANDOUR, MANSOUR HESHAM, and KHODARY MAHMOUD. "Polarographic Behaviour of some Metal Ions in Presence of Pyruvate." Journal of Indian Chemical Society Vol. 66, Feb 1989 (1988): 76–80. https://doi.org/10.5281/zenodo.6302415.

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Chemistry Department, Faculty of Science, Assiut University, Assiut, Egypt Chemistry Department, Faculty of Science, Assiut University, Qena, Egypt <em>Manuscript&nbsp;received&nbsp;26 February&nbsp;1986, revised 20&nbsp;June 1988, accepted 12 October 1988</em> The polarographic reduction of Bi<sup>III</sup>, Fe<sup>llI</sup>, Hg<sup>ll</sup>, Cu<sup>ll</sup> and UO<sub>2</sub><sup>ll</sup>&nbsp;at the dropping mercury electrode has been investigated in pyruvate solution. A slngle-reduction&nbsp;wave has been obseved with each metal ion. It has been proved that pyruvate forms com- plexes of th
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Belsare, P. U., A. B. Zade, P. P. Kalbende, and M. S. Dhore. "Thermal Degradation Studies of Terpolymer Derived from 2-Aminothiophenol, Hexamethylenediamine, and Formaldehyde." Journal of Polymers 2014 (April 14, 2014): 1–9. http://dx.doi.org/10.1155/2014/350832.

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Terpolymer (2-ATPHMDAF-I) has been synthesized by the condensation of 2-aminothiophenol and hexamethylenediamine with formaldehyde in the presence of 2 M hydrochloric acid as a catalyst with 1 : 1 : 2 molar proportion of reacting monomers. The structure of newly synthesized terpolymer has been elucidated and confirmed on the basis of elemental analysis and various spectral techniques, that is, UV-visible, FT-IR, and 1H-NMR spectroscopy. Number average molecular weight (Mn¯) has been determined by conductometric titration in nonaqueous medium. The viscosity measurements in dimethyl sulfoxide (D
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Dhore, Mangesh S., Pawan P. Kalbende, and Suraj S. Butoliya. "Thermal Behaviour and Sorption Studies of Ion-Exchange Resin." Research Journal of Chemistry and Environment 27, no. 7 (2023): 11–22. http://dx.doi.org/10.25303/2707rjce011022.

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Copolymer resin 2,4-DAPOF-II has been synthesized by condensation polymerization and its composition was determined on the basis of elemental analysis. Non-aqueous conductometric titration was used to determine the average molecular weight and the intrinsic viscosity was also determined. The formation of copolymer resin was confirmed by FT-IR, 1H-NMR and 13C-NMR spectroscopy. The semi-crystalline nature of synthesized copolymer was established by Scanning electron microscopy (SEM). Thermal degradation curve has been discussed with minute details by applying Freeman-Carroll8, Sharp-Wentworth47,
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Khoma, R. E., T. S. Bienkovska, V. O. Gelmboldt, D. G. Klimov, and M. G. Horlichenko. "COMPOSITION AND THE RELATIVE STABILITY OF SULFUR DIOXIDE INTERACTION PRODUCTS WITH POTASSIUM AND MONOETHANOLAMMONIUM TAURATES AQUEOUS SOLUTIONS. PROLONGED-ACTION CHEMOSORBENT." Odesa National University Herald. Chemistry 28, no. 3(86) (2023): 35–52. http://dx.doi.org/10.18524/2304-0947.2023.3(86).297810.

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Much research attention has been paid to amino acids as an alternative to amino alcohols for capture of sulfur dioxide. Taurine (Tau) occupies a special place among amino acids. This study was stimulated by the limited literature data on the nature of the interaction of SO2 with Tau salts aqueous solutions, the composition and relative stability of the corresponding reaction products. Chrono-pH-, chrono-redox- and chrono-conductometric studies of SO2 chemisorption with potassium taurate (TauK) and monoethanolammonium (TauMEA) aqueous 0.1 M solutions were carried out in the temperature range 29
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Shestakova, D. O., N. N. San’kova, and E. V. Parkhomchuk. "Conductometric and Potentiometric Titration of Carboxyl Groups in Polymer Microspheres." Высокомолекулярные соединения А 65, no. 5 (2023): 391–404. http://dx.doi.org/10.31857/s2308112023600102.

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A laboratory procedure has been suggested for determining the concentration of carboxyl groups at the surface of polystyrene microspheres at the latex concentration of a few hundredths of weight percentage (the COOH groups concentration below 4 × 10−4 mol/L). The procedure is based on conductometric and potentiometric titration. The influence of polymer particles concentration in the system, ionic strength of the solution, titration duration, and the system inertness on the obtained values of the carboxyl groups concentration and the determination accuracy have been investigated.
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Umarov, U.A., O.Yu Maslov, S.V. Kolisnyk, and M. Fathullaeva. "Development And Validation Of The Conductometric Titration Method Of Quantitative Determination Of Free Organic Acids In The Anise Fruits." European Journal of Molecular & Clinical Medicine 7, no. 3 (2020): 3874–83. https://doi.org/10.5281/zenodo.10029586.

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A conductometric titration method has been developed for determination of free organic acids in anise fruits. The direct acid base titration of free organic acids was carried as a titrant was used the standardized sodium hydroxide aqueous solution. The end-point of titration was fixed by a conductometric electrode. The calibration curve was found to be linear in the concentration range of 0.0112-0.0332 mg/cm 3 (r 2 = 0.9992). The percentage recovery was found to be in the range of 98.61-101.25%. The intra-day and inter-day precision were 1.32% and 1.62%, respectively. The method was found to b
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Prasad, S., V. D. Leite, R. A. C. Santana, and E. A. Medeiros. "Electrometric studies on formation of cerium vanadates as a function of pH." Eclética Química 31, no. 2 (2006): 31–38. http://dx.doi.org/10.1590/s0100-46702006000200005.

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The precise nature of the reaction between nitric acid and sodium ortho-vanadate solutions has been studied by means of electrometric techniques involving potentiometric and conductometric titrations. The well defined inflections and breaks in the titration curves confirm the existence of the anions, pyro-V2O7(4-), meta-VO3- and poly-H2V10O28(4-) corresponding to the ratios of VO4(3-):H+ as 1:1, 1:2 and 1:2.6 in the neighborhood of pH 10.5, 7.4 and 3.6, respectively. The interaction of cerium(III) nitrate with sodium vanadate solutions, at specific pH levels 12.4, 10.5, 7.4 and 3.6 was also st
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Book chapters on the topic "Has been confirmed by conductometric titration"

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Shedmake, Damini, and Jyotsna V. Khobragade. "SYNTHESIS, CHARACTERIZATION AND PHYSICOCHEMICAL STUDIES OF TERPOLYMER RESIN SATF-I DERIVED FROM SULPHANILIC ACID, THIOUREA AND FORMALDEHYDE." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 18. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bdcs18ch33.

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Using sulphanilic acid, thiourea and formaldehyde, the terpolymerresin SATF-I in acidic medium with molar ratio of 1:1:2 of monomer and refluxing in oil bath at 124°C for 5 to 6 hours has been synthesized in this work. Its structures were then determined using elemental analysis, molecular weight determination by non-aqueous conductometric titration, spectral methods (UV-visible, FTIR, H1 NMR, SEM, XRD), and thermal (TGA) methods. The antibacterial activities of the terpolymer resin against four bacteria, Escherichia coli, Staphylococcus aureus, Proteus, and Klbesiellawere studied. SATF-I copo
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Chauhan, Priya, G. Madhavi, and Veera Manohara Reddy Yenugu. "Surfactant Sensors for Bio-based Sensing." In Surfactant-based Sensors in Chemical and Biochemical Detection. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/bk9781837671182-00040.

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Anionic surfactants are important components of many products used in everyday life in all households. They are also applied in various industrial fields at a very large scale. The latest development in the use of new ionophores has been presented here. Special attention has been given in this chapter to electrochemical surfactant sensors. The importance of surfactants in modern science is stressed. Electrochemical sensors are usually divided according to the measured physical quantity into potentiometric, amperometric, conductometric and impedimetric surfactant sensors. Potentiometric surfact
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Conference papers on the topic "Has been confirmed by conductometric titration"

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Wagberg, Lars, Lars Winter, and Tom Lindstrom. "Determination of Ion-Exchanged Capacity of Carboxymethylated Cellulose Fibers Using Colloid and Conductometric Titrations." In Papermaking Raw Materials, edited by V. Punton. Fundamental Research Committee (FRC), Manchester, 1985. http://dx.doi.org/10.15376/frc.1985.2.917.

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The carboxyl group content of a series of carboxymethylated pulps has been determined by a colloid titration method, by conductometric titration and by means of 14C-labelling and the values obtained by the different methods have been compared. It is shown that, under certain experimental conditions, the colloid titration method can be used to determine the carboxyl group content of cellulose fibers.
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Onyango, Stephen, Fredrick Okumu, Philemon Mung'au, Daniel Randa, Julius Oyie, and Lemmy Ouko. "Determination of L-Ascorbic Acid Quantities in Vegetables by Using 3% Acid-Alcohol in Iodine Redox Titrimetric Method." In 3rd International Nutrition and Dietetics Scientific Conference. KENYA NUTRITIONISTS AND DIETICIANS INSTITUTE, 2023. http://dx.doi.org/10.57039/jnd-conf-abt-2023-t.a.f.s-39.

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The main objective of this study was to determine the suitability of using 3% acid-alcohol in iodine redox titrimetric determination of L-ascorbic quantities in chlorophyll-green vegetables. The main challenge in the protocol has been detection of titration end-point vegetables samples with high concentration of chlorophyll in the leaves. Chlorophyll doesn’t contrast with the blue-black color noticed at the end-point. This project therefore developed a modified iodine titration procedure that enhances the accuracy of end-point detection using an acid-alcohol. The analysis of vitamin C content
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Lundqvist, Asa, та Lars Ödberg. "Surface Energy Characterization of Surface Modified Cellulosic Fibres by Inverse Gas Chromatography (IGC)". У The Fundamentals of Papermaking Materials, редактор C. F. Baker. Fundamental Research Committee (FRC), Manchester, 1997. http://dx.doi.org/10.15376/frc.1997.2.751.

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In the present study, the surface properties of cellulosic fibres have been systematically varied and the dispersive and acid-base properties have been determined by inverse gas chromatography (IGC) at infinite dilution. Bleached kraft pulp fibres were carboxy methylated to different degrees. The results from the IGC measurements on the carboxymethylated fibres showed a linear relationship between the interaction energy with a basic probe (acidic properties) and the carboxylic acid group content. The extrapolation to zero degree of substitution ofcarboxylic acid groups indicates that,even in t
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