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Characterization of particulate matter in microenvironments of cultural heritage conservation sites

Grant number: 08/04551-3
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2008
Effective date (End): December 31, 2009
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal researcher:Andrea Cavicchioli
Grantee:Ericka Pardini Morrone
Home Institution: Escola de Artes, Ciências e Humanidades (EACH). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:06/61437-3 - Impact of microenvironments in cultural heritage conservation, AP.JP

Abstract

The atmospheric composition of indoor microenvironments of cultural heritage conservation sites has been, in recent years, thoroughly studied, thus resulting in increased number of publications and scientific events devoted to this topic of investigation. On the other hand, research on particulate matter (PM) has been rather limited, even if this air component is an important factor of damage risk for cultural artifacts. This project aims at enlightening type, source and possible impacts of aerosols found in a number of museums in the city of São Paulo (Brazil), whose atmosphere suffers from chronic and severe pollution problems, PM being one of its most critical components. The main objective of the work is to define a methodology for sampling and characterizing different particle fractions on the basis of majoritary and trace inorganic species. Both active and passive sampling techniques will be employed for the purpose. Detection and quantification will be carried out by ion chromatography and stripping voltammetry. Data will be elaborated to obtain information on the source and dynamics of PM in the museums and to highlight possible impacts on the conservation of cultural heritage and the health of visitors, as well as to identify mitigation strategies. (AU)

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