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Journal articles on the topic 'Polarographic Estimation'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

R., C. KAPOOR, C. K. MATHUR K., and SHARMA PRADEEP. "Polarographic Behaviour of Ferric Iron in Presence of N,N'-Dihydroxyethylglycine." Journal of Indian Chemical Society Vol. 62, Nov 1985 (1985): 830–32. https://doi.org/10.5281/zenodo.6324853.

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Department of Chemistry, University of Jodhpur, Jodhpur-342 003 Complexation of Fe<sup>III</sup>-<em>N,N'</em>-dihydroxyethylglyeine has been studied employing the techniques of de polarography, cyclic voltammetry and differential pulse polarography. The method involved the conversion of total iron into ferric form and subsequent complexation with <em>N,N'</em>-dihydroxyethylglycine in alkaline medium. Conditions were standardised in which ferric iron gave a distinct d.p. polarographic peak. Estimation of iron in low concentration has been made possible by the dpp technique.

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2

ZAHEER, KHAN, GUPTA DILEEP, and AZIZ KHAN A. "Differential Pulse Polarographic Studies of the Tin Compounds used in Unani Medicine." Journal of Indian Chemical Society Vol. 68, Sep 1991 (1991): 500–501. https://doi.org/10.5281/zenodo.5970267.

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Department of Chemistry, Aligarh Muslim University, Aligarh-202 002 <em>Manuscript received 4 July 1989, revised 18 July 1991, accepted 3 September 1991</em> Characterisation of tin compounds (Kushta Qalai) used In Unani medicine has been carried out in walpole buffer and Britton-Robinson buffer by differential pulse polarography. These results show that the tin compounds give characteristic differential pulse polarographic peaks in walpole buffer and exist in stannous form. The colorimetric studies were also performed for the estimation of solubility of tin In walpole buffer.

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3

Husain, Sajid, G. S. R. Sastry, P. Ravi Prasad, and G. V. R. Sarma. "Polarographic estimation of conjugated enes." Electroanalysis 2, no. 5 (1990): 415–17. http://dx.doi.org/10.1002/elan.1140020514.

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4

Morris, C. J. O. R. "The polarographic estimation of ketosteroids." Recueil des Travaux Chimiques des Pays-Bas 74, no. 4 (2010): 476–97. http://dx.doi.org/10.1002/recl.19550740411.

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5

B., K. SINGH, L. JAIN C., and S. SINDHU R. "Polarographic Estimation of Copper-, Lead- and Zinc(II) in Presence of 2,3-Dihydroxypyridine as Complexing Agent." Journal of Indian Chemical Society Vol. 73, Jun 1996 (1996): 297–99. https://doi.org/10.5281/zenodo.5898035.

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Chemistry Department, Regional College of Education, Bhopal-462 013 <em>Manuscript received 11 March 1994, revised 30 August 1994, accepted 19 October 1994</em> Polarographic Estimation of Copper-, Lead- and Zinc(II) in Presence of 2,3-Dihydroxypyridine as Complexing Agent.

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6

SÁnchez-PÉrez, Ambrosio, JesÚs HernÁndez-MÉndez,, and JosÉ E. Fuentes De Frutos. "Polarographic Determination and Aqueous Potentiometric Titration of Cimetidine in Tablets." Journal of AOAC INTERNATIONAL 68, no. 5 (1985): 1060–62. http://dx.doi.org/10.1093/jaoac/68.5.1060.

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Abstract A method is described which uses the direct current (dc) polarographic behavior of cimetidine in a strong acid solution to determine this compound. The diffusional characteristics of the reduction wave of cimetidine in 1M HC1 (about —0.8 V vs SCE) are shown, and their analytical usefulness was studied. This polarographic method was used to determine cimetidine in standard solutions ranging from 4 to 80 |xg/ mL with a coefficient of variation of 1.3%, and was further applied to the determination of cimetidine in tablets. The results obtained by the dc polarographic method agree with th

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7

Pais, A. A. C. C., J. L. G. C. Pereira, and J. S. Redinha. "Nonlinear regression in parameter estimation from polarographic signals." Computers & Chemistry 24, no. 3-4 (2000): 533–39. http://dx.doi.org/10.1016/s0097-8485(00)00061-9.

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8

Pereira, J. L. G. C., A. A. C. C. Pais, and J. S. Redinha. "Maximum likelihood estimation with nonlinear regression in polarographic and potentiometric studies." Analytica Chimica Acta 433, no. 1 (2001): 135–43. http://dx.doi.org/10.1016/s0003-2670(00)01320-9.

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9

Koshy, V. J., J. V. Prasad, G. Kalpana, and S. Satish. "Investigations on intermediate acetal formation during polarographic estimation of certain benzaldehyde derivatives." Analytica Chimica Acta 307, no. 1 (1995): 55–60. http://dx.doi.org/10.1016/0003-2670(95)00032-u.

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10

Kantarci, Z., S. Aksoy, and N. Hasirci. "Estimation of Monomer Content in Polymethyl Methacrylate Contact Lens Materials by Raman Spectroscopy." International Journal of Artificial Organs 20, no. 7 (1997): 407–11. http://dx.doi.org/10.1177/039139889702000709.

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Polymethyl methacrylate is the most commonly used contact lens material due to its excellent optical properties. However the presence of residual monomer in the structure alters its transparency as well as its biocompatibility, thus, there is a need to detect any remaining methyl methacrylate. Raman spectroscopy is a rapid, sensitive, and non destructive method as compared to other spectroscopic, chromatographic or polarographic methods. In this study, the spectra of some lens materials (prepared from methyl methacrylate, 2-hydroxy ethyl methacrylate, hexamethyl disiloxane and polypropylene gl

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11

Baquero-Rodríguez, Gustavo Andrés, and Jaime A. Lara-Borrero. "The Influence of Optic and Polarographic Dissolved Oxygen Sensors Estimating the Volumetric Oxygen Mass Transfer Coefficient (KLa)." Modern Applied Science 10, no. 8 (2016): 142. http://dx.doi.org/10.5539/mas.v10n8p142.

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Aeration is usually the most energy intensive part of the wastewater treatment process. Optimizing the aeration system is essential for reducing energy costs. Field tests oriented to estimate parameters related to oxygen transfer are a common approach to compare aeration systems. The aim of this research is to assess the effect of dissolved oxygen probe lag on oxygen transfer parameter estimation. Experimental procedures regarding to process automation and control were applied to quantify dissolved oxygen probe lag. We have measured oxygen transfer in clean water, under a wide range of conditi

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12

Neish, William J. P. "“On the separation of α-keto acid dinitrophenyl-hydrazones by ionophoresis and their polarographic estimation”". Recueil des Travaux Chimiques des Pays-Bas 72, № 12 (2010): 1098. http://dx.doi.org/10.1002/recl.19530721210.

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13

Raied, H. Mohammad, M. Musa Taghreed, and H. Atiyah Ameerah. "Benzocaine derivative determination via furan-2-carboxaldehyde reagent using differential pulse polarographic method." Chemistry International 9, no. 1 (2023): 8–14. https://doi.org/10.5281/zenodo.7317581.

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Benzocaine (BE) has been determined by the indirect differential pulse polarographic method (DPP). The suggested method is based on the synthesis of benzocaine via furan -2-carboxaldehyde reagent in presence of hydrochloric acid, then the diazotized at 0-5<sup> o</sup>C with sodium nitrite to obtain a new benzocaine derivative. Also finding the values half-wave potential (E½) and electrochemical behavior using the dropping mercury electrode (DME). Optimum conditions affecting a quantitative analysis of benzocaine and its derivative such as solvent, pH, buffer solution and supporting ele

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14

Raied, H. Mohammad, A.H. Al-Ameri Salam, and M. Musa Taghreed. "DPP direct and indirect estimation of sulfamethoxazole in pharmaceuticals using Schiff base derivative." Chemistry International 9, no. 2 (2023): 37–43. https://doi.org/10.5281/zenodo.8119044.

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The research includes the development of a simple, sensitive and accurate DPP (differential pulse polarographic) method for the quantitative determination of sulfamethoxazole drug in pharmaceutical preparations and in their pure and commercial farms, also the electrochemical behavior using the dropping mercury electrode DME, as well as finding the values of the half-wave potential (E½) as qualitative value also the number of electrons that were transferred and participating in the reduction process.  Synthesis of Schiff's base between sulfamethoxazole with 4-dimethylaminobenzal

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15

Powathil, Gibin, Mohammad Kohandel, Michael Milosevic, and Siv Sivaloganathan. "Modeling the Spatial Distribution of Chronic Tumor Hypoxia: Implications for Experimental and Clinical Studies." Computational and Mathematical Methods in Medicine 2012 (2012): 1–11. http://dx.doi.org/10.1155/2012/410602.

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Tumor oxygenation status is considered one of the important prognostic markers in cancer since it strongly influences the response of cancer cells to various treatments; in particular, to radiation therapy. Thus, a proper and accurate assessment of tumor oxygen distribution before the treatment may highly affect the outcome of the treatment. The heterogeneous nature of tumor hypoxia, mainly influenced by the complex tumor microenvironment, often makes its quantification very difficult. The usual methods used to measure tumor hypoxia are biomarkers and the polarographic needle electrode. Althou

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16

Gonzalez-Meijome, J. M., V. Compañ-Moreno, and E. Riande. "Determination of Oxygen Permeability in Soft Contact Lenses Using a Polarographic Method: Estimation of Relevant Physiological Parameters." Industrial & Engineering Chemistry Research 47, no. 10 (2008): 3619–29. http://dx.doi.org/10.1021/ie071403b.

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17

Rajput, SJ, and HA Raj. "Estimation of tegaserod maleate by differential pulse polarography." Indian Journal of Pharmaceutical Sciences 71, no. 1 (2009): 50. http://dx.doi.org/10.4103/0250-474x.51956.

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18

Reddy, G. "Estimation of cephalosporin antibiotics by differential pulse polarography." Talanta 44, no. 4 (1997): 627–31. http://dx.doi.org/10.1016/s0039-9140(96)02081-4.

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19

P., Sharma, and P. Trivedi N. "Quantitative micro level determination of B group vitamins by differential pulse polarography." Journal of Indian Chemical Society Vol. 83, Apr 2006 (2006): 361–63. https://doi.org/10.5281/zenodo.5836045.

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Electroanalytical Laboratory, Department of Chemistry, J. N. V. University, Jodhpur-342 003, Rajasthan, India E-mail: sharma_pk00@yahoo.com <em>Manuscript received 17 October 2003, revised 5 December 2005, accepted 19 January 2006</em> A comprehensive voltammetric study of B group water soluble vitamins using differential pulse polarography (DPP) has enabled their determination at very low concentration in pharmaceutical preparations. The data demonstrated that the results of vitamin estimation were quantitative and in good agreement in terms of measurement.

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20

Sharma, Hemraj, Hari Prasad Sapkota, and Nim Bahadur Dangi. "A Brief Review of Analytical Methods for the Estimation of Allopurinol in Pharmaceutical Formulation and Biological Matrices." International Journal of Analytical Chemistry 2021 (June 5, 2021): 1–12. http://dx.doi.org/10.1155/2021/5558651.

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This review article represents the collection and discussion of various analytical methods available in the literature for the determination of allopurinol (ALLP) in pharmaceutical and biological samples consisting of HPLC, UV-visible method, near-IR spectroscopy, spectrofluorometry, capillary electrophoresis, polarography, voltammetry, and hyphenated techniques such as LC-MS, LC-MS/MS, UPLC-MS/MS, and GC-MS. The anticipated review provides details about the comparative utilization of various analytical techniques for the determination of ALLP. The present review article can be effectively exp

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21

Gorbachevska, K. R., N. L. Shvarchovska, M. M. Yatsyshyn, M. O. Kovbuz, and A. P. Yuvchenko. "Peculiarities Associated with the Adsorption of Alkyne Peroxides from Dimethyl Formamide/Water Solutions on to the Mercury Electrode in the Presence of Tetraethylammonium Cations." Adsorption Science & Technology 14, no. 4 (1996): 229–37. http://dx.doi.org/10.1177/026361749601400403.

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The adsorption of alkyne peroxides on to the surface of a mercury electrode from dimethyl formamide (DMFA)/water solutions in the presence of tetraethylammonium perchlorate [(C2H5)4NClO4] has been investigated by polarography and electrocapillarity techniques. It has been shown that the interfacial activity of these peroxides is determined by products arising from associative interactions both between these peroxides and DMFA and tetraethylammonium cations. Comparable estimations of the interfacial activity of various alkyne peroxides in the solutions studied have been made.

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22

Gordiienko, Anatolii, Mykola Blazheyevskyi, and Ivan Iurchenko. "A comparative study of phenolic compound antioxidant activity by the polarography method, using microsomal lipid peroxidation in vitro." Current Issues in Pharmacy and Medical Sciences 31, no. 4 (2018): 186–89. http://dx.doi.org/10.1515/cipms-2018-0034.

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Abstract For comparative purposes, a quantitative estimation of antioxidant activity of phenolic compounds of different classes was conducted by way of the polarography method, via the ADP-Fe2+ model of the induced ascorbate-dependent lipid peroxidation of rat liver micro-somes within an in-vitro system. As a result, it was recognized that the antioxidant properties of phenolic compounds depend on the nature and chemical structure of several substances. In respect of such activity, leaders in the classes of investigated polyphenolic compounds are: Propyl gallate = Gallotannin (Phenolcarboxylic

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23

Santaballa, J. "Consel, a least-squares program for estimating stability constants from polarographic data." Talanta 32, no. 10 (1985): 931–35. http://dx.doi.org/10.1016/0039-9140(85)80210-1.

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24

S., C. LAVALE. "Hot Amperometric Titration for Estimation of Trace Amounts of Lanthanum and Cerium." Journal of Indian Chemical Society Vol. 63, June 1986 (1986): 605–6. https://doi.org/10.5281/zenodo.6271847.

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Post Graduate Chemistry Department, Government College, Betul-460 001 <em>Manuscript received 30 September 1986, revised 8 June 1986, accepted 18 June 1986</em> Trace amounts of La<sup>III</sup> and Cent have been estimated quantitatively with xylenol orange (XO) using hot amperometric titration technique. In hot condition, the increase in reversibility and ease of reduction facilitate the metal-ligand complexation. The titrations have been performed at <em>p</em>H 5.5, <em>µ</em>=0.2 and temp.=70°. The stiochiometric ratio of metal-XO complex is found to be 1 : 1. Many ions donot in

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25

KANNAN, R., T. RAMAKRISHNA, and S. RAJAGOPALAN. "A chemical amplification method for the sequential estimation of phosphorus, arsenic and silicon at ng/ml levels by d.c. polarography." Talanta 32, no. 5 (1985): 419–22. http://dx.doi.org/10.1016/0039-9140(85)80109-0.

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26

Castetbon, A., M. Corralès, M. Potin-Gauthier, and M. Astruc. "Etude cinétique de la complexation du cuivre en milieu hydrogénocarbonate par électrochimie." Revue des sciences de l'eau 4, no. 2 (2005): 239–52. http://dx.doi.org/10.7202/705098ar.

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La détermination de la capacité complexante des eaux naturelles est généralement effectuée par titrage ampérométrique du cuivre à pH fixé. Beaucoup, sinon tous les tampons classiques utilisés perturbent les études de spéciation du cuivre par formation de complexes peu stables. Dans ce travail nous nous sommes intéressés à la complexation du cuivre par les ions carbonates généralement présents dans les eaux naturelles. Afin de mener à bien notre étude, nous avons mesuré, dans un milieu synthétique de force ionique et pH contrôlés (KNO3 0,02 M + NaHCO3 2,38.10-3 M) toutes les constantes des dive

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27

Malyshevska, O. S. "Estimation of efficiency removal of oil products dissolved in water by processed waste of polymer packaging in the medium of vegetable surfactants." Naukovì dopovìdì Nacìonalʹnogo unìversitetu bìoresursiv ì prirodokoristuvannâ Ukraïni, no. 2(90) (May 6, 2021). http://dx.doi.org/10.31548/dopovidi2021.02.002.

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Introduction. We have tried to solve two environmentally dangerous problems at the same time - water pollution by petroleum products and the growth of polymer packaging in the share of household waste. On the one hand, oil pollution is one of the largest and most dangerous types of human impact on the environment. In oil-contaminated reservoirs, depending on the concentration of hydrocarbons in the water, adult fish, caviar, larvae and young fish die on the surface of the water and in shallow water. Zooplankton in a polluted reservoir dies completely. It is established that only 1 g of oil kil

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28

"Differential Pulse Polarography Procedure for the Estimation of Deferoxamine in Pharmaceuticals." Chemical Science Transactions, January 28, 2018. http://dx.doi.org/10.7598/cst2018.1467.

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