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dc.contributor.authorBöke, Hasan
dc.contributor.authorGöktürk, E. Hale
dc.contributor.authorCaner Saltık, Emine N.
dc.date.accessioned2016-05-10T11:15:31Z
dc.date.available2016-05-10T11:15:31Z
dc.date.issued2002-12
dc.identifier.citationBöke, H., Göktürk, E. H., and Caner Saltık, E. N. (2002). Effect of some surfactants on SO2-marble reaction. Materials Letters, 57(4), 935-939. doi:10.1016/S0167-577X(02)00899-6en_US
dc.identifier.issn0167-577X
dc.identifier.urihttp://doi.org/10.1016/S0167-577X(02)00899-6
dc.identifier.urihttp://hdl.handle.net/11147/4623
dc.description.abstractIn the polluted atmosphere, sulphur dioxide (SO2) reacts with calcite (CaCO3) in marble producing calcium sulphite hemihydrate (CaSO3·0.5 H2O) and gypsum (CaSO4·2H2O). Gypsum develops crust at rain-sheltered surfaces and then, being more soluble, accelerates erosion at areas exposed to rain. Eventually, all these lead to significant deformations in the appearance and structure of marble surfaces. Clearly, some precautions must be taken to stop or at least to slow down this deterioration process which destroys our cultural heritage. In this study, we have investigated the possibilities of preventing the SO2-marble reaction by using water-soluble surfactants: Abil Quat 3270 and Tween 20. Experiments for measuring their effects have been carried out at conditions simulating the dry deposition of SO2. Infrared spectrometry and scanning electron microscopy were used to analyze the mineralogical composition and morphology of the reaction products. The extent of sulphation reaction was calculated by determining calcium sulphite hemihydrate and gypsum quantitatively by an IR approach and also by weight increases observed during the progress of SO2-marble reaction. A 10% decrease is observed in the total sulphation with both surfactant applications. The results have been discussed in relation to the possible stages of sulphation reaction and surface reactions of calcite.en_US
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.relation.isversionof10.1016/S0167-577X(02)00899-6en_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectSurface active agentsen_US
dc.subjectInfrared spectrometryen_US
dc.subjectCalcium sulphite hemihydrateen_US
dc.subjectGypsumen_US
dc.subjectMarbleen_US
dc.subjectSulphur dioxideen_US
dc.subjectSurfactanten_US
dc.titleEffect of some surfactants on SO2-marble reactionen_US
dc.typearticleen_US
dc.contributor.authorIDTR2086en_US
dc.contributor.iztechauthorBöke, Hasan
dc.relation.journalMaterials Lettersen_US
dc.contributor.departmentIzmir Institute of Technology. Architectural Restorationen_US
dc.identifier.volume57en_US
dc.identifier.issue4en_US
dc.identifier.startpage935en_US
dc.identifier.endpage939en_US
dc.identifier.wosWOS:000179412500028
dc.identifier.scopusSCOPUS:2-s2.0-0036894163
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US


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