Spara och bevara* bibliographic database

De Santis, F and Allegrini, I and Fazio, M C and Pasella, D (1996) Characterization of Indoor Air Quality in the Church of San luigi Dei Francesi, Rome, Italy. International Journal of Environmental Analytical Chemistry, 64 (1). pp. 71-81. ISSN 03067319

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Simultaneous indoor and outdoor samples collected in the Church of San Luigi dei Francesi were analyzed for nitrous acid, sulphur dioxide, nitrogen oxides and ammonia in the gas phase and for ammonium, sulphate, and nitrate ions in the particulate matter. Indoor levels of nitrogen oxide, nitrous acid and ammonia were found to largely exceed those outdoors. For NO1, and SO2 lower indoor levels were always measured, while for nitrate and sulphate, the indoor/outdoor ratios ranged from 0.5 to 3.5. These results show that indoor production of nitrous acid could result from heterogeneous reactions indoors, on the walls and exposed surfaces. Furthermore, they demonstrate that non-reactive species such as nitrogen oxide and particles penetrate indoors, where they remain segregated and are very slowly depleted, due to their small deposition velocities.

Item Type: Article
Uncontrolled Keywords: Air pollution; Church; Gases; Environmental monitoring
Subjects: English > Damage functions > Chemical damage
Depositing User: Anna Samuelsson
Date Deposited: 08 May 2008 06:54
Last Modified: 29 Dec 2016 14:08

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