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Polarisation and polishing studies on copper in a Hull cell

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Abstract

In continuation of our previous work,1–2 the effects of polishing time, sp. gr. of the electrolyte, addition of EDTA, electrolyte level, etc., on the position, size and shape of the variously polished bands obtained in a Hull cell have now been studied. I–V measurement when carried out showed that total cell voltage increases regularly with total cell current, thereby affording no explanation for the variously polished bands. However, with a specially designed probe electrode,3 it has been possible to study the current distribution as existing during polarisation at different points of the anode surface and thus offer some explanation for the appearance of variously polished bands which could not be interpreted earlier in terms of electrode potentials.

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References

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Authors and Affiliations

  1. Central Electrochemical Research Institute, Karaikudi

    Indra Sanghi & VR. Ramanathan

Authors
  1. Indra Sanghi
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  2. VR. Ramanathan
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Additional information

(Communicated by Dr.K. S. G. Doss, f.a.sc.)

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Sanghi, I., Ramanathan, V. Polarisation and polishing studies on copper in a Hull cell. Proc. Indian Acad. Sci. 49, 281–292 (1959). https://doi.org/10.1007/BF03052836

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  • DOI: https://doi.org/10.1007/BF03052836

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