Academic literature on the topic 'Polarographic Estimation'

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Journal articles on the topic "Polarographic Estimation"

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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&#39;</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 com&shy;plexation with <em>N,N&#39;</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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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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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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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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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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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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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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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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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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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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Conference papers on the topic "Polarographic Estimation"

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Berrich, Emna, Fethi Aloui, and Jack Legrand. "Inverse Method Used for the Determination of the Wall Shear Stress in a Sliding Rheometer Using Sandwich Probes." In ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30760.

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The inverse method, based on a numerical sequential estimation, has been applied for the determination of the wall shear stress of a liquid single phase flow in a sliding rheometer using multi-segment probe. This method requires the inversion of the convection diffusion equation in order to apply it to instantaneous mass transfer measurements. Polarography technique, known as the limiting diffusion current method, has been used. This requires the use of Electro-Diffusion ED probe which allows the determination of the local mass transfer rate for known flow kinematics. In addition, two-segment
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