Zobrazeno 1 - 10
of 18
pro vyhledávání: '"K. C. Narasimham"'
Autor:
S. John Peter, S. Sampath, N. Thiagarajan, M. Nagalingam, G. Subramanian, R. Palanisamy, S. Pushpavanam, K. C. Narasimham, M. Sadagopalan, P. Subbiah, H. V. K. Udupa
Publikováno v:
Journal of Applied Chemistry and Biotechnology. 24:43-47
Potassium chlorate, which is used mainly in the manufacture of matches, was prepared by the electrolytic oxidation of potassium chloride in an 800 A cell using graphite substrate lead dioxide anode and stainless steel cathode. The cell was operated a
Autor:
S. Pushpavanam, K. C. Narasimham
Publikováno v:
Journal of Materials Science. 29:939-942
Noble-metal-oxide-based coatings have successfully replaced many of the conventional anode materials in industrial electrochemical processes. The performance characteristics of these mixed-oxide electrodes have been found to be improved by the inclus
Publikováno v:
Journal of Applied Electrochemistry. 22:1201-1204
The preparation of alkali metal chlorates by electrolysis of the corresponding chlorides has been studied by various authors [1]. However, reports of electrochemical methods for preparing alkaline earth metal chlorates are scarce, even though their s
Publikováno v:
Journal of Applied Electrochemistry. 22:877-882
The electrochemical preparation of magnesium perchlorate from magnesium chlorate employing a platinum anode and a rotating stainless steel cathode is described. The effect of electrolyte concentration, cathode and anode current densities, pH and temp
The effect of the additive cetyl trimethyl ammonium bromide on the electrodeposition of lead dioxide
Publikováno v:
Journal of Applied Electrochemistry. 6:189-198
The electrodeposition of lead dioxide on graphite substrates was studied earlier. In this work rotation or oscillation of the anode was employed to get a smooth and adherent deposit, free from pinholes. The influence of the addition of cetyl trimethy
Publikováno v:
Journal of Applied Electrochemistry. 6:397-401
The influence of an ultrasonic field on the deposition of lead dioxide on to a graphite substrate from an aqueous solution of lead nitrate and copper nitrate has been investigated. In general, the deposits were smooth, adherent and free from pinholes
Autor:
K. C. Narasimham, H. V. K. Udupa
Publikováno v:
Journal of The Electrochemical Society. 123:1294-1298
The GSLD anodes have been developed for obtaining sui table size anodes for use in high amperage cells in the production of chlorates and perchlorates. The performance characteristics of the anodes in the preparat ion of chlorates and perchlorates ar
Publikováno v:
Electrochimica Acta. 15:1615-1622
Measurement of stress in electrodeposited lead dioxide was carried out using a balance of the Hoar-Arrowsmith type. A lead-nitrate-copper-nitrate bath was used for the deposition. The effect of anode cd, pH, temperature and addition agents on stress
Publikováno v:
Journal of The Electrochemical Society of Japan. 29:E137-E141
Autor:
N. Thiagarajan, S. Pushpavanam, V. Gopalakrishnan, M. Nagalingam, G. Subramanian, K. C. Narasimham, H. V. K. Udupa, R. Palanisamy, M. Sadagopalan
Publikováno v:
Journal of Applied Electrochemistry. 1:207-212
Based on the optimum conditions arrived at in the laboratory experiments, large-scale trials have been carried out for the preparation of sodium perchlorate by the direct oxidation of sodium chloride in a single step using a graphite substrate lead d