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Zehnder, Konrad (2007) Long-term monitoring of wall paintings affected by soluble salts. Environmental Geology, 52 (2). pp. 353-367. ISSN 09430105

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Long-term monitoring of wall paintings in historical monuments aims at clarifying involved decay processes and at the same time controlling effects of interventions for conservation. Monitored decay processes relate to the crystallisation of various salts – particularly of nitronatrite and gypsum – from hygroscopic solutions accumulated in the zone of ground moisture. The salts crystallise in response to climatic variations and other environmental changes. Measures for conservation such as protection from water infiltration, reduction of heating temperature and reduction of surface salt accumulation cause a significant slow-down but not a stop of decay. The particular dynamics and causes of remaining slow decay processes are described on three sites in Switzerland: the convent church of Müstair, the crypt in the cathedral of Basel and the crypt in the Grossmünster church of Zürich.

Item Type: Article
Uncontrolled Keywords: Church; Historic building; Wall paintings; Salt crystallisation; Indoor climate; Long-term monitoring; Conservation; Preventive conservation; Ground moisture
Subjects: ?? Salt ??
English > Damage functions > Salt damage
Depositing User: Admin Sparaochbevara
Date Deposited: 26 Feb 2008 15:09
Last Modified: 04 Apr 2017 12:59

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