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- Title
The Influence of Pseudomonas fluorescens on Corrosion Products of Archaeological Tin-Bronze Analogues.
- Authors
Ghiara, G.; Grande, C.; Ferrando, S.; Piccardo, P.
- Abstract
In this study, tin-bronze analogues of archaeological objects were investigated in the presence of an aerobic Pseudomonas fluorescens strain in a solution, containing chlorides, sulfates, carbonates and nitrates according to a previous archaeological characterization. Classical fixation protocols were employed in order to verify the attachment capacity of such bacteria. In addition, classical metallurgical analytical techniques were used to detect the effect of bacteria on the formation of uncommon corrosion products in such an environment. Results indicate quite a good attachment capacity of the bacteria to the metallic surface and the formation of the uncommon corrosion products sulfates and sulfides is probably connected to the bacterial metabolism.
- Subjects
TIN bronze; PSEUDOMONAS fluorescens; CORROSION potential; SULFATES; SULFIDES; CARBONATES; BACTERIAL metabolism
- Publication
JOM: The Journal of The Minerals, Metals & Materials Society (TMS), 2018, Vol 70, Issue 1, p81
- ISSN
1047-4838
- Publication type
Article
- DOI
10.1007/s11837-017-2674-2