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Marine ‘copper-tolerant’ sulphate reducing bacteria and their effects on 90/10 copper-nickel (CA 706)

Authors
Journal
International Biodeterioration
0265-3036
Publisher
Elsevier
Publication Date
Volume
24
Identifiers
DOI: 10.1016/0265-3036(88)90004-8
Disciplines
  • Chemistry

Abstract

Abstract Copper and nickel ‘tolerant’ marine sulphate reducing bacteria (SRB) were isolated from 90/10 copper-nickel and shown to attach and grow on the alloy. Their effects upon the corrosion resistance of the alloy, using energy dispersive X-ray analysis, X-ray photoelectron spectroscopy and electrochemical polarisation analyses, were shown to be identical to those produced by synthetic addition of sulphide to test solutions reported by others. Thus attached SRB may have a role in 90/10 copper-nickel corrosion as long as they also possess transient oxygen tolerance.

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