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Pyrite oxidation; protection using synthetic resins

Pilar Costagliola, Curzio Cipriani and Carlo Manganelli del Fa
Pyrite oxidation; protection using synthetic resins
European Journal of Mineralogy (February 1997) 9 (1): 167-174


Pyrite specimens may undergo severe damage due to oxidation and humidity in museum environments; the use of fluorinated, acrylic and silicone resins as protective films has been investigated using Elba pyrite in a climatic chamber and in acid oxidizing solutions. Acrylic resins show scant protection in the presence of UV rays and a general tendency to yellowing. In a humid environment and in fully aqueous conditions, silicone resins do not isolate the specimen, allowing water to reach and oxidize the sample surface. Fluorinated resins are relatively better at providing shielding films, allowing a high degree of protection and giving complete transparency; the resins tested, however, do not provide an absolute insulation of the samples, making ion-exchange possible.

ISSN: 0935-1221
Serial Title: European Journal of Mineralogy
Serial Volume: 9
Serial Issue: 1
Title: Pyrite oxidation; protection using synthetic resins
Affiliation: Universita di Firenze, Museo di Mineralogie e Litologia, Florence, Italy
Pages: 167-174
Published: 199702
Text Language: English
Publisher: Schweizerbart'sche Verlagsbuchhandlung (Naegele u. Obermiller), Stuttgart, Federal Republic of Germany
References: 19
Accession Number: 1997-030100
Categories: Geochemistry of rocks, soils, and sediments
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: 2 tables
Secondary Affiliation: CNR, ITA, Italy
Country of Publication: Germany
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom
Update Code: 199710
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