Abstract
This study is aimed at an assessment of the methodologies, instruments and new applications for underwater archaeology. Research focused on study of the various kinds of degradation affecting underwater finds and stone materials aged in underwater environment, efficiency evaluation of various surface cleaning methods and study and mixing of protective products with consolidating resins and antimicrobial biocides to be applied to restored underwater finds. Transmitted light optical microscopy and scanning electron microscopy (SEM) were used to study surface biofilms and the interactions with samples of different stone materials such as brick, marble and granite immersed in the submarine archaeological area of Crotone (South of Italy). Surface cleaning tests were performed with application of ion exchange resins, EDTA, hydrogen peroxide and ultrasound techniques. Capillary water absorption, simulated solar ageing and colourimetric measurements were carried out to evaluate hydrophobic and consolidant properties; to assess biocidal efficacy, heterotrophic micro-organisms (Aspergillus niger) were inoculated on agar plates and growth inhibition was measured.
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Crisci, G.M., La Russa, M.F., Macchione, M. et al. Study of archaeological underwater finds: deterioration and conservation. Appl. Phys. A 100, 855–863 (2010). https://doi.org/10.1007/s00339-010-5661-9
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DOI: https://doi.org/10.1007/s00339-010-5661-9