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Electrochemical behavior of sulfide minerals under open-circuit conditions

Rao, M and Yelloji, K and Natarajan, KA (1986) Electrochemical behavior of sulfide minerals under open-circuit conditions. In: Transactions of the Indian Institute of Metals, 39 (6). pp. 582-591.

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The following galvanic series increasing activity, holds in a 2.0 pH H2SO4 medium: pyrite, molybdenite, chalcopyrite, sphalerite, pyrrhotite, galena. Based on the combination potential values, the probable anodic (oxidation) reaction in a bimineral contact is predicted. When 2 sulfide minerals are in contact, the active mineral undergoes oxidation resulting in the formation of corroded surfaces as is observed by SEM. The galvanic current in a bimineral couple depends on the p.d. between the anode and the cathode.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to The Indian Institute of Metals.
Keywords: Electrochemical behavior;sulfide minerals;open-circuit conditions.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Mr Naveen Mathad
Date Deposited: 11 Apr 2008
Last Modified: 27 Aug 2008 13:19
URI: http://eprints.iisc.ac.in/id/eprint/13682

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