Characteristics of carbonate building stones that influence the dry deposition of acidic gases |
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| Affiliation: | 1. STATS Consultancy, Porters Wood, St. Albans, Herts AL3 6PQ, UK;2. Building Research Establishment, Garston, Watford WD2 7JR, UK;1. Service de médecine interne, hôpital Beaujon, AP–HP, 100, boulevard du Général-Leclerc, 92110 Clichy, France;2. Service de médecine interne, hôpital Bichat-Claude-Bernard, AP–HP, 46, rue Henri-Huchard, 75018 Paris, France;3. Service de réanimation, hôpital Beaujon, AP–HP, 100, boulevard du Général-Leclerc, 92110 Clichy, France;1. Comparative Histolab Padova, Italy;2. Department of Biological, Geological and Environmental Sciences (BiGeA), Bologna, Italy;1. Dipartimento di Ingegneria Industriale, Università degli Studi di Roma Tor Vergata, Via del Politecnico 1, 00133 Roma, Italia;2. Archivio di Stato di Roma, Corso del Rinascimento 40, 00186 Roma, Italia;3. Bibliotheca Hertziana, Max-Planck-Institut für Kunstgeschichte, Via Gregoriana 28, 00187 Roma, Italia;4. Dipartimento di Scienze documentarie, linguistico-filologiche e geografiche, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Roma, Italia;5. INFN – Dipartimento di Ingegneria Industriale, Università degli Studi di Roma Tor Vergata, Via del Politecnico 1, 00133 Roma, Italia;6. CREA-AA – Consiglio per la ricerca in agricoltura e l’analisi dell’economia agraria, Centro di ricerca Agricoltura e Ambiente, Via della Navicella 2-4, 00184 Roma, Italia;1. Osaka University, 2-1 Yamadaoka, Suita, Osaka, Japan;2. National Institute of Information and Communications Technology, 4-2-1, Nukui-Kitamachi, Koganei, Tokyo, Japan;3. NTT Electronics Co. Ltd. 6700-2 to, Naka-shi, Ibaraki 311-0122, Japan;4. Tokyo Institute of Technology, 4259 Nagatsuta, Midoriku, Yokohama 226-8503, Japan;5. University Roma Tre, via V. Volterra 62, I-00143 Rome, Italy |
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| Abstract: | The behaviour of several porous carbonate building stones used in Spanish and English monuments was compared. Stones were exposed to urban and suburban environments and subjected to simulated SO2 atmospheres in the laboratory. Physical properties that affect the transfer of moisture were determined before and after exposure, and related to the degree of reaction of the stones. The degree of reaction was determined by analysing the reaction products. Results showed that physical properties influenced the reactivity of the stones. These characteristics also changed as the stones weathered due to the different concentrations of impurities in the material. Moreover, stones with a high specific surface area and/or a deliquescent salt content may promote more NOx dry deposition. |
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